23404680856 has 64 divisors (see below), whose sum is σ = 45082759680. Its totient is φ = 11386776960.

The previous prime is 23404680839. The next prime is 23404680907. The reversal of 23404680856 is 65808640432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39871395 + ... + 39871981.

It is an arithmetic number, because the mean of its divisors is an integer number (704418120).

Almost surely, 2^23404680856 is an apocalyptic number.

It is an amenable number.

23404680856 is a deficient number, since it is larger than the sum of its proper divisors (21678078824).

23404680856 is a wasteful number, since it uses less digits than its factorization.

23404680856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264 (or 1260 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 23404680856 in words is "twenty-three billion, four hundred four million, six hundred eighty thousand, eight hundred fifty-six".