Q: Is 1,423,719 a Prime Number?
A: No, 1,423,719 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 1423719 can be evenly divided by 1 3 9 11 33 73 99 197 219 591 657 803 1,773 2,167 2,409 6,501 7,227 14,381 19,503 43,143 129,429 158,191 474,573 and 1,423,719, with no remainder.
Since 1,423,719 cannot be divided by just 1 and 1,423,719, it is not a prime number.