23104508881 has 2 divisors, whose sum is σ = 23104508882. Its totient is φ = 23104508880.

The previous prime is 23104508873. The next prime is 23104508897. The reversal of 23104508881 is 18880540132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20433273025 + 2671235856 = 142945^2 + 51684^2 .

It is a cyclic number.

It is not a de Polignac number, because 23104508881 - 2³ = 23104508873 is a prime.

It is a super-2 number, since 2×23104508881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23104508821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11552254440 + 11552254441.

It is an arithmetic number, because the mean of its divisors is an integer number (11552254441).

Almost surely, 2^23104508881 is an apocalyptic number.

It is an amenable number.

23104508881 is a deficient number, since it is larger than the sum of its proper divisors (1).

23104508881 is an equidigital number, since it uses as much as digits as its factorization.

23104508881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 23104508881 in words is "twenty-three billion, one hundred four million, five hundred eight thousand, eight hundred eighty-one".