23178957916 has 12 divisors (see below), whose sum is σ = 41134489200. Its totient is φ = 11426246720.

The previous prime is 23178957859. The next prime is 23178957931. The reversal of 23178957916 is 61975987132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40807741 + ... + 40808308.

It is an arithmetic number, because the mean of its divisors is an integer number (3427874100).

Almost surely, 2^23178957916 is an apocalyptic number.

It is an amenable number.

23178957916 is a deficient number, since it is larger than the sum of its proper divisors (17955531284).

23178957916 is a wasteful number, since it uses less digits than its factorization.

23178957916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81616124 (or 81616122 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 58.

The spelling of 23178957916 in words is "twenty-three billion, one hundred seventy-eight million, nine hundred fifty-seven thousand, nine hundred sixteen".