344160023257 has 2 divisors, whose sum is σ = 344160023258. Its totient is φ = 344160023256.

The previous prime is 344160023177. The next prime is 344160023281. The reversal of 344160023257 is 752320061443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 335958185161 + 8201838096 = 579619^2 + 90564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344160023257 is a prime.

It is a super-2 number, since 2×344160023257² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (344160023297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172080011628 + 172080011629.

It is an arithmetic number, because the mean of its divisors is an integer number (172080011629).

Almost surely, 2^344160023257 is an apocalyptic number.

It is an amenable number.

344160023257 is a deficient number, since it is larger than the sum of its proper divisors (1).

344160023257 is an equidigital number, since it uses as much as digits as its factorization.

344160023257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 344160023257 in words is "three hundred forty-four billion, one hundred sixty million, twenty-three thousand, two hundred fifty-seven".