23512421808 has 30 divisors (see below), whose sum is σ = 65802125324. Its totient is φ = 7837473888.

The previous prime is 23512421683. The next prime is 23512421813. The reversal of 23512421808 is 80812421532.

It is a happy number.

23512421808 is a `hidden beast` number, since 23 + 512 + 42 + 1 + 80 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81640210 + ... + 81640497.

Almost surely, 2^23512421808 is an apocalyptic number.

It is an amenable number.

23512421808 is an abundant number, since it is smaller than the sum of its proper divisors (42289703516).

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

23512421808 is a wasteful number, since it uses less digits than its factorization.

23512421808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163280721 (or 163280712 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 23512421808 in words is "twenty-three billion, five hundred twelve million, four hundred twenty-one thousand, eight hundred eight".