It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 023 is not a prime number.
For example, 118 023 can be divided by 3: 118 023 / 3 = 39 341.
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For 118 023 to be a prime number, it would have been required that 118 023 has only two divisors, i.e., itself and 1.
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118 023 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 118 023 is about 343.545.
Thus, the square root of 118 023 is not an integer, and therefore 118 023 is not a square number.
The square of a number (here 118 023) is the result of the product of this number (118 023) by itself (i.e., 118 023 × 118 023); the square of 118 023 is sometimes called "raising 118 023 to the power 2", or "118 023 squared".
The square of 118 023 is 13 929 428 529 because 118 023 × 118 023 = 118 0232 = 13 929 428 529.
As a consequence, 118 023 is the square root of 13 929 428 529.
The multiples of 118 023 are all integers evenly divisible by 118 023, that is all numbers such that the remainder of the division by 118 023 is zero. There are infinitely many multiples of 118 023. The smallest multiples of 118 023 are: