23320312100 has 72 divisors (see below), whose sum is σ = 52570135296. Its totient is φ = 8972320000.

The previous prime is 23320312087. The next prime is 23320312129. The reversal of 23320312100 is 121302332.

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, 251045 + ... + 331155.

It is an arithmetic number, because the mean of its divisors is an integer number (730140768).

Almost surely, 2^23320312100 is an apocalyptic number.

23320312100 is a gapful number since it is divisible by the number (20) 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 23320312100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26285067648).

23320312100 is an abundant number, since it is smaller than the sum of its proper divisors (29249823196).

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

23320312100 is a wasteful number, since it uses less digits than its factorization.

23320312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80237 (or 80230 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23320312100 its reverse (121302332), we get a palindrome (23441614432).

The spelling of 23320312100 in words is "twenty-three billion, three hundred twenty million, three hundred twelve thousand, one hundred".