23111313112 has 32 divisors (see below), whose sum is σ = 43650280800. Its totient is φ = 11471376384.

The previous prime is 23111313097. The next prime is 23111313151. The reversal of 23111313112 is 21131311132.

It is a self number, because there is not a number n which added to its sum of digits gives 23111313112.

It is a congruent number.

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, 1440189 + ... + 1456147.

It is an arithmetic number, because the mean of its divisors is an integer number (1364071275).

Almost surely, 2^23111313112 is an apocalyptic number.

It is an amenable number.

23111313112 is a deficient number, since it is larger than the sum of its proper divisors (20538967688).

23111313112 is a wasteful number, since it uses less digits than its factorization.

23111313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17275 (or 17271 counting only the distinct ones).

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

Adding to 23111313112 its reverse (21131311132), we get a palindrome (44242624244).

The spelling of 23111313112 in words is "twenty-three billion, one hundred eleven million, three hundred thirteen thousand, one hundred twelve".