23700809328 has 40 divisors (see below), whose sum is σ = 69973819008. Its totient is φ = 6771659712.

The previous prime is 23700809311. The next prime is 23700809329. The reversal of 23700809328 is 82390800732.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 23700809328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23700809329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35268726 + ... + 35269397.

Almost surely, 2^23700809328 is an apocalyptic number.

23700809328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23700809328 is an abundant number, since it is smaller than the sum of its proper divisors (46273009680).

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

23700809328 is a wasteful number, since it uses less digits than its factorization.

23700809328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70538141 (or 70538135 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 23700809328 in words is "twenty-three billion, seven hundred million, eight hundred nine thousand, three hundred twenty-eight".