Is 123003 a prime number?

123 003 is an odd number, because it is not evenly divisible by 2.

Find out more:

• 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 123 003 is about 350.718.

Thus, the square root of 123 003 is not an integer, and therefore 123 003 is not a square number.

The square of a number (here 123 003) is the result of the product of this number (123 003) by itself (i.e., 123 003 × 123 003); the square of 123 003 is sometimes called "raising 123 003 to the power 2", or "123 003 squared".

The square of 123 003 is 15 129 738 009 because 123 003 × 123 003 = 123 003² = 15 129 738 009.

As a consequence, 123 003 is the square root of 15 129 738 009.

123 003 is a number with 6 digits.

The multiples of 123 003 are all integers evenly divisible by 123 003, that is all numbers such that the remainder of the division by 123 003 is zero. There are infinitely many multiples of 123 003. The smallest multiples of 123 003 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 123 003 too, since 0 × 123 003 = 0
• 123 003: indeed, 123 003 is a multiple of itself, since 123 003 is evenly divisible by 123 003 (we have 123 003 / 123 003 = 1, so the remainder of this division is indeed zero)
• 246 006: indeed, 246 006 = 123 003 × 2
• 369 009: indeed, 369 009 = 123 003 × 3
• 492 012: indeed, 492 012 = 123 003 × 4
• 615 015: indeed, 615 015 = 123 003 × 5
• etc.

• Preceding numbers: …123 001, 123 002
• Following numbers: 123 004, 123 005…

Nearest numbers from 123 003

• Preceding prime number: 123 001
• Following prime number: 123 007