It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 023 is not a prime number.
For example, 264 023 can be divided by 83: 264 023 / 83 = 3 181.
For 264 023 to be a prime number, it would have been required that 264 023 has only two divisors, i.e., itself and 1.
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264 023 is an odd number, because it is not evenly divisible by 2.
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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 264 023 is about 513.832.
Thus, the square root of 264 023 is not an integer, and therefore 264 023 is not a square number.
The square of a number (here 264 023) is the result of the product of this number (264 023) by itself (i.e., 264 023 × 264 023); the square of 264 023 is sometimes called "raising 264 023 to the power 2", or "264 023 squared".
The square of 264 023 is 69 708 144 529 because 264 023 × 264 023 = 264 0232 = 69 708 144 529.
As a consequence, 264 023 is the square root of 69 708 144 529.
The multiples of 264 023 are all integers evenly divisible by 264 023, that is all numbers such that the remainder of the division by 264 023 is zero. There are infinitely many multiples of 264 023. The smallest multiples of 264 023 are: