23331111112 has 16 divisors (see below), whose sum is σ = 43787551500. Its totient is φ = 11654430720.

The previous prime is 23331111103. The next prime is 23331111149. The reversal of 23331111112 is 21111113332.

It can be written as a sum of positive squares in 2 ways, for example, as 23313014596 + 18096516 = 152686^2 + 4254^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23331111112.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381689 + ... + 1398472.

Almost surely, 2^23331111112 is an apocalyptic number.

It is an amenable number.

23331111112 is a deficient number, since it is larger than the sum of its proper divisors (20456440388).

23331111112 is a wasteful number, since it uses less digits than its factorization.

23331111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781216 (or 2781212 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

Adding to 23331111112 its reverse (21111113332), we get a palindrome (44442224444).

The spelling of 23331111112 in words is "twenty-three billion, three hundred thirty-one million, one hundred eleven thousand, one hundred twelve".