23111120012 has 24 divisors (see below), whose sum is σ = 40813054800. Its totient is φ = 11450617920.

The previous prime is 23111119991. The next prime is 23111120023. The reversal of 23111120012 is 21002111132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204863 + ... + 296969.

It is an arithmetic number, because the mean of its divisors is an integer number (1700543950).

Almost surely, 2^23111120012 is an apocalyptic number.

It is an amenable number.

23111120012 is a deficient number, since it is larger than the sum of its proper divisors (17701934788).

23111120012 is a wasteful number, since it uses less digits than its factorization.

23111120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92681 (or 92679 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 23111120012 its reverse (21002111132), we get a palindrome (44113231144).

The spelling of 23111120012 in words is "twenty-three billion, one hundred eleven million, one hundred twenty thousand, twelve".