23042918772 has 24 divisors (see below), whose sum is σ = 59740900800. Its totient is φ = 7680972888.

The previous prime is 23042918747. The next prime is 23042918783. The reversal of 23042918772 is 27781924032.

It is a super-2 number, since 2×23042918772² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106680072 + ... + 106680287.

It is an arithmetic number, because the mean of its divisors is an integer number (2489204200).

Almost surely, 2^23042918772 is an apocalyptic number.

It is an amenable number.

23042918772 is an abundant number, since it is smaller than the sum of its proper divisors (36697982028).

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

23042918772 is a wasteful number, since it uses less digits than its factorization.

23042918772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213360372 (or 213360364 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 23042918772 in words is "twenty-three billion, forty-two million, nine hundred eighteen thousand, seven hundred seventy-two".