23389911912 has 32 divisors (see below), whose sum is σ = 58539304800. Its totient is φ = 7788033984.

The previous prime is 23389911851. The next prime is 23389911913. The reversal of 23389911912 is 21911998332.

It is a super-2 number, since 2×23389911912² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23389911913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515487 + ... + 559022.

It is an arithmetic number, because the mean of its divisors is an integer number (1829353275).

Almost surely, 2^23389911912 is an apocalyptic number.

It is an amenable number.

23389911912 is an abundant number, since it is smaller than the sum of its proper divisors (35149392888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23389911912 is a wasteful number, since it uses less digits than its factorization.

23389911912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075425 (or 1075421 counting only the distinct ones).

The product of its digits is 209952, while the sum is 48.

The spelling of 23389911912 in words is "twenty-three billion, three hundred eighty-nine million, nine hundred eleven thousand, nine hundred twelve".