23155112 has 32 divisors (see below), whose sum is σ = 46068480. Its totient is φ = 10887360.

The previous prime is 23155063. The next prime is 23155123. The reversal of 23155112 is 21155132.

It is a happy 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, 10193 + ... + 12255.

It is an arithmetic number, because the mean of its divisors is an integer number (1439640).

Almost surely, 2^23155112 is an apocalyptic number.

It is an amenable number.

23155112 is a deficient number, since it is larger than the sum of its proper divisors (22913368).

23155112 is a wasteful number, since it uses less digits than its factorization.

23155112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153 (or 2149 counting only the distinct ones).

The product of its digits is 300, while the sum is 20.

The square root of 23155112 is about 4811.9758935390. The cubic root of 23155112 is about 285.0245674933.

Adding to 23155112 its sum of digits (20), we get a palindrome (23155132).

The spelling of 23155112 in words is "twenty-three million, one hundred fifty-five thousand, one hundred twelve".