23221612232 has 128 divisors (see below), whose sum is σ = 55660953600. Its totient is φ = 8837952768.

The previous prime is 23221612189. The next prime is 23221612241.

23221612232 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2012993 + ... + 2024495.

It is an arithmetic number, because the mean of its divisors is an integer number (434851200).

Almost surely, 2^23221612232 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 23221612232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27830476800).

23221612232 is an abundant number, since it is smaller than the sum of its proper divisors (32439341368).

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

23221612232 is a wasteful number, since it uses less digits than its factorization.

23221612232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11635 (or 11631 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The spelling of 23221612232 in words is "twenty-three billion, two hundred twenty-one million, six hundred twelve thousand, two hundred thirty-two".