23890955177 has 2 divisors, whose sum is σ = 23890955178. Its totient is φ = 23890955176.

The previous prime is 23890955171. The next prime is 23890955203. The reversal of 23890955177 is 77155909832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23653209616 + 237745561 = 153796^2 + 15419^2 .

It is a cyclic number.

It is not a de Polignac number, because 23890955177 - 2¹² = 23890951081 is a prime.

It is not a weakly prime, because it can be changed into another prime (23890955171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11945477588 + 11945477589.

It is an arithmetic number, because the mean of its divisors is an integer number (11945477589).

Almost surely, 2^23890955177 is an apocalyptic number.

It is an amenable number.

23890955177 is a deficient number, since it is larger than the sum of its proper divisors (1).

23890955177 is an equidigital number, since it uses as much as digits as its factorization.

23890955177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4762800, while the sum is 56.

The spelling of 23890955177 in words is "twenty-three billion, eight hundred ninety million, nine hundred fifty-five thousand, one hundred seventy-seven".