23620457953 has 2 divisors, whose sum is σ = 23620457954. Its totient is φ = 23620457952.

The previous prime is 23620457933. The next prime is 23620457957. The reversal of 23620457953 is 35975402632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22203086049 + 1417371904 = 149007^2 + 37648^2 .

It is a cyclic number.

It is not a de Polignac number, because 23620457953 - 2²⁹ = 23083587041 is a prime.

It is not a weakly prime, because it can be changed into another prime (23620457957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11810228976 + 11810228977.

It is an arithmetic number, because the mean of its divisors is an integer number (11810228977).

Almost surely, 2^23620457953 is an apocalyptic number.

It is an amenable number.

23620457953 is a deficient number, since it is larger than the sum of its proper divisors (1).

23620457953 is an equidigital number, since it uses as much as digits as its factorization.

23620457953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 23620457953 in words is "twenty-three billion, six hundred twenty million, four hundred fifty-seven thousand, nine hundred fifty-three".