23032221100 has 72 divisors (see below), whose sum is σ = 57141842688. Its totient is φ = 7893729600.

The previous prime is 23032221071. The next prime is 23032221139. The reversal of 23032221100 is 112223032.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2565219 + ... + 2574181.

It is an arithmetic number, because the mean of its divisors is an integer number (793636704).

Almost surely, 2^23032221100 is an apocalyptic number.

23032221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23032221100 is an abundant number, since it is smaller than the sum of its proper divisors (34109621588).

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

23032221100 is a wasteful number, since it uses less digits than its factorization.

23032221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12655 (or 12648 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23032221100 its reverse (112223032), we get a palindrome (23144444132).

The spelling of 23032221100 in words is "twenty-three billion, thirty-two million, two hundred twenty-one thousand, one hundred".