23805121984 has 112 divisors (see below), whose sum is σ = 56371744000. Its totient is φ = 9964539648.

The previous prime is 23805121957. The next prime is 23805121997. The reversal of 23805121984 is 48912150832.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 23805121984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931327 + ... + 956545.

Almost surely, 2^23805121984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23805121984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28185872000).

23805121984 is an abundant number, since it is smaller than the sum of its proper divisors (32566622016).

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

23805121984 is an equidigital number, since it uses as much as digits as its factorization.

23805121984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25295 (or 25271 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 23805121984 in words is "twenty-three billion, eight hundred five million, one hundred twenty-one thousand, nine hundred eighty-four".