23665516000 has 96 divisors (see below), whose sum is σ = 66452847552. Its totient is φ = 8113881600.

The previous prime is 23665515989. The next prime is 23665516001. The reversal of 23665516000 is 61556632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23665516001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394599 + ... + 450598.

It is an arithmetic number, because the mean of its divisors is an integer number (692217162).

Almost surely, 2^23665516000 is an apocalyptic number.

23665516000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23665516000 is an abundant number, since it is smaller than the sum of its proper divisors (42787331552).

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

23665516000 is an equidigital number, since it uses as much as digits as its factorization.

23665516000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845229 (or 845211 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 23665516000 in words is "twenty-three billion, six hundred sixty-five million, five hundred sixteen thousand".