Q: Is 423,123 a Prime Number?
A: No, 423,123 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 423123 can be evenly divided by 1 3 141,041 and 423,123, with no remainder.
Since 423,123 cannot be divided by just 1 and 423,123, it is not a prime number.