Q: Is 400,323 a Prime Number?
A: No, 400,323 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 400323 can be evenly divided by 1 3 7 11 21 33 77 231 1,733 5,199 12,131 19,063 36,393 57,189 133,441 and 400,323, with no remainder.
Since 400,323 cannot be divided by just 1 and 400,323, it is not a prime number.