23257076808 has 32 divisors (see below), whose sum is σ = 66448791360. Its totient is φ = 6644879040.

The previous prime is 23257076743. The next prime is 23257076813. The reversal of 23257076808 is 80867075232.

It is a super-2 number, since 2×23257076808² (a number of 22 digits) contains 22 as substring.

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, 69217323 + ... + 69217658.

It is an arithmetic number, because the mean of its divisors is an integer number (2076524730).

Almost surely, 2^23257076808 is an apocalyptic number.

23257076808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23257076808 is an abundant number, since it is smaller than the sum of its proper divisors (43191714552).

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

23257076808 is a wasteful number, since it uses less digits than its factorization.

23257076808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138434997 (or 138434993 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 23257076808 in words is "twenty-three billion, two hundred fifty-seven million, seventy-six thousand, eight hundred eight".