344423369 has 2 divisors, whose sum is σ = 344423370. Its totient is φ = 344423368.

The previous prime is 344423363. The next prime is 344423381. The reversal of 344423369 is 963324443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342694144 + 1729225 = 18512^2 + 1315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344423369 is a prime.

It is a super-2 number, since 2×344423369² = 237254914226620322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (344423363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172211684 + 172211685.

It is an arithmetic number, because the mean of its divisors is an integer number (172211685).

Almost surely, 2^344423369 is an apocalyptic number.

It is an amenable number.

344423369 is a deficient number, since it is larger than the sum of its proper divisors (1).

344423369 is an equidigital number, since it uses as much as digits as its factorization.

344423369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 38.

The square root of 344423369 is about 18558.6467448465. The cubic root of 344423369 is about 700.9669419353.

The spelling of 344423369 in words is "three hundred forty-four million, four hundred twenty-three thousand, three hundred sixty-nine".