23688471808 has 36 divisors (see below), whose sum is σ = 47950424928. Its totient is φ = 11677406720.

The previous prime is 23688471803. The next prime is 23688471817. The reversal of 23688471808 is 80817488632.

It is a super-2 number, since 2×23688471808² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23688471803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633466 + ... + 669817.

It is an arithmetic number, because the mean of its divisors is an integer number (1331956248).

Almost surely, 2^23688471808 is an apocalyptic number.

It is an amenable number.

23688471808 is an abundant number, since it is smaller than the sum of its proper divisors (24261953120).

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

23688471808 is an equidigital number, since it uses as much as digits as its factorization.

23688471808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303370 (or 1303356 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 55.

The spelling of 23688471808 in words is "twenty-three billion, six hundred eighty-eight million, four hundred seventy-one thousand, eight hundred eight".