23116378772 has 12 divisors (see below), whose sum is σ = 41394446016. Its totient is φ = 11289394200.

The previous prime is 23116378757. The next prime is 23116378811. The reversal of 23116378772 is 27787361132.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct 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 3 ways as a sum of consecutive naturals, for example, 67198604 + ... + 67198947.

It is an arithmetic number, because the mean of its divisors is an integer number (3449537168).

Almost surely, 2^23116378772 is an apocalyptic number.

It is an amenable number.

23116378772 is a deficient number, since it is larger than the sum of its proper divisors (18278067244).

23116378772 is a wasteful number, since it uses less digits than its factorization.

23116378772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134397598 (or 134397596 counting only the distinct ones).

The product of its digits is 592704, while the sum is 47.

The spelling of 23116378772 in words is "twenty-three billion, one hundred sixteen million, three hundred seventy-eight thousand, seven hundred seventy-two".