20232123112 has 16 divisors (see below), whose sum is σ = 38233935360. Its totient is φ = 10036407024.

The previous prime is 20232123103. The next prime is 20232123127. The reversal of 20232123112 is 21132123202.

It is a self number, because there is not a number n which added to its sum of digits gives 20232123112.

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, 9955738 + ... + 9957769.

It is an arithmetic number, because the mean of its divisors is an integer number (2389620960).

Almost surely, 2^20232123112 is an apocalyptic number.

It is an amenable number.

20232123112 is a deficient number, since it is larger than the sum of its proper divisors (18001812248).

20232123112 is a wasteful number, since it uses less digits than its factorization.

20232123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19913640 (or 19913636 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20232123112 its reverse (21132123202), we get a palindrome (41364246314).

The spelling of 20232123112 in words is "twenty billion, two hundred thirty-two million, one hundred twenty-three thousand, one hundred twelve".