23699956806 has 16 divisors (see below), whose sum is σ = 52666570800. Its totient is φ = 7899985584.

The previous prime is 23699956733. The next prime is 23699956811. The reversal of 23699956806 is 60865999632.

23699956806 is a `hidden beast` number, since 2 + 3 + 69 + 9 + 9 + 568 + 0 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219443991 + ... + 219444098.

It is an arithmetic number, because the mean of its divisors is an integer number (3291660675).

Almost surely, 2^23699956806 is an apocalyptic number.

23699956806 is an abundant number, since it is smaller than the sum of its proper divisors (28966613994).

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

23699956806 is a wasteful number, since it uses less digits than its factorization.

23699956806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438888100 (or 438888094 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 63.

The spelling of 23699956806 in words is "twenty-three billion, six hundred ninety-nine million, nine hundred fifty-six thousand, eight hundred six".