Is 1423 a prime number?

1 423 is an odd number, because it is not evenly divisible by 2.

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• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 1 423 is about 37.723.

Thus, the square root of 1 423 is not an integer, and therefore 1 423 is not a square number.

Anyway, 1 423 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 1 423) is the result of the product of this number (1 423) by itself (i.e., 1 423 × 1 423); the square of 1 423 is sometimes called "raising 1 423 to the power 2", or "1 423 squared".

The square of 1 423 is 2 024 929 because 1 423 × 1 423 = 1 423² = 2 024 929.

As a consequence, 1 423 is the square root of 2 024 929.

1 423 is a number with 4 digits.

The multiples of 1 423 are all integers evenly divisible by 1 423, that is all numbers such that the remainder of the division by 1 423 is zero. There are infinitely many multiples of 1 423. The smallest multiples of 1 423 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 1 423 too, since 0 × 1 423 = 0
• 1 423: indeed, 1 423 is a multiple of itself, since 1 423 is evenly divisible by 1 423 (we have 1 423 / 1 423 = 1, so the remainder of this division is indeed zero)
• 2 846: indeed, 2 846 = 1 423 × 2
• 4 269: indeed, 4 269 = 1 423 × 3
• 5 692: indeed, 5 692 = 1 423 × 4
• 7 115: indeed, 7 115 = 1 423 × 5
• etc.

• Preceding numbers: …1 421, 1 422
• Following numbers: 1 424, 1 425…

Nearest numbers from 1 423

• Preceding prime number: 1 409
• Following prime number: 1 427

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• 1 423 est-il un nombre premier ?