23689881504 has 216 divisors, whose sum is σ = 71869019040. Its totient is φ = 7388020992.

The previous prime is 23689881469. The next prime is 23689881517. The reversal of 23689881504 is 40518898632.

It is a super-2 number, since 2×23689881504² (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 35 ways as a sum of consecutive naturals, for example, 14631607 + ... + 14633225.

It is an arithmetic number, because the mean of its divisors is an integer number (332726940).

Almost surely, 2^23689881504 is an apocalyptic number.

23689881504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23689881504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35934509520).

23689881504 is an abundant number, since it is smaller than the sum of its proper divisors (48179137536).

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

23689881504 is a wasteful number, since it uses less digits than its factorization.

23689881504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 23689881504 in words is "twenty-three billion, six hundred eighty-nine million, eight hundred eighty-one thousand, five hundred four".