23311032100 has 72 divisors (see below), whose sum is σ = 51304285760. Its totient is φ = 9192631680.

The previous prime is 23311032071. The next prime is 23311032127. The reversal of 23311032100 is 123011332.

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, 2353759 + ... + 2363641.

Almost surely, 2^23311032100 is an apocalyptic number.

23311032100 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 23311032100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25652142880).

23311032100 is an abundant number, since it is smaller than the sum of its proper divisors (27993253660).

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

23311032100 is a wasteful number, since it uses less digits than its factorization.

23311032100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10229 (or 10222 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 23311032100 its reverse (123011332), we get a palindrome (23434043432).

The spelling of 23311032100 in words is "twenty-three billion, three hundred eleven million, thirty-two thousand, one hundred".