12023822856 has 32 divisors (see below), whose sum is σ = 30325577760. Its totient is φ = 3972471552.

The previous prime is 12023822819. The next prime is 12023822857. The reversal of 12023822856 is 65822832021.

It is not an unprimeable number, because it can be changed into a prime (12023822857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2214070 + ... + 2219493.

It is an arithmetic number, because the mean of its divisors is an integer number (947674305).

Almost surely, 2^12023822856 is an apocalyptic number.

It is an amenable number.

12023822856 is an abundant number, since it is smaller than the sum of its proper divisors (18301754904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12023822856 is a wasteful number, since it uses less digits than its factorization.

12023822856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433685 (or 4433681 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 12023822856 in words is "twelve billion, twenty-three million, eight hundred twenty-two thousand, eight hundred fifty-six".