23444644432 has 60 divisors (see below), whose sum is σ = 49978676160. Its totient is φ = 10646025280.

The previous prime is 23444644417. The next prime is 23444644453.

23444644432 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2129919 + ... + 2140897.

It is an arithmetic number, because the mean of its divisors is an integer number (832977936).

Almost surely, 2^23444644432 is an apocalyptic number.

23444644432 is a gapful number since it is divisible by the number (22) 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 23444644432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24989338080).

23444644432 is an abundant number, since it is smaller than the sum of its proper divisors (26534031728).

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

23444644432 is a wasteful number, since it uses less digits than its factorization.

23444644432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12112 (or 12095 counting only the distinct ones).

The product of its digits is 884736, while the sum is 40.

The spelling of 23444644432 in words is "twenty-three billion, four hundred forty-four million, six hundred forty-four thousand, four hundred thirty-two".