23131925911 has 4 divisors (see below), whose sum is σ = 23370399472. Its totient is φ = 22893452352.

The previous prime is 23131925899. The next prime is 23131925941. The reversal of 23131925911 is 11952913132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23131925911 - 2⁵ = 23131925879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23131925941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119236635 + ... + 119236828.

It is an arithmetic number, because the mean of its divisors is an integer number (5842599868).

Almost surely, 2^23131925911 is an apocalyptic number.

23131925911 is a deficient number, since it is larger than the sum of its proper divisors (238473561).

23131925911 is an equidigital number, since it uses as much as digits as its factorization.

23131925911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238473560.

The product of its digits is 14580, while the sum is 37.

The spelling of 23131925911 in words is "twenty-three billion, one hundred thirty-one million, nine hundred twenty-five thousand, nine hundred eleven".