23304501257 has 2 divisors, whose sum is σ = 23304501258. Its totient is φ = 23304501256.

The previous prime is 23304501211. The next prime is 23304501343. The reversal of 23304501257 is 75210540332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20672400841 + 2632100416 = 143779^2 + 51304^2 .

It is a cyclic number.

It is not a de Polignac number, because 23304501257 - 2²⁰ = 23303452681 is a prime.

It is not a weakly prime, because it can be changed into another prime (23304501457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11652250628 + 11652250629.

It is an arithmetic number, because the mean of its divisors is an integer number (11652250629).

Almost surely, 2^23304501257 is an apocalyptic number.

It is an amenable number.

23304501257 is a deficient number, since it is larger than the sum of its proper divisors (1).

23304501257 is an equidigital number, since it uses as much as digits as its factorization.

23304501257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 32.

The spelling of 23304501257 in words is "twenty-three billion, three hundred four million, five hundred one thousand, two hundred fifty-seven".