23313011100 has 72 divisors (see below), whose sum is σ = 67571352240. Its totient is φ = 6205831680.

The previous prime is 23313011087. The next prime is 23313011101. The reversal of 23313011100 is 111031332.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23313011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313011101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102414 + ... + 238986.

Almost surely, 2^23313011100 is an apocalyptic number.

23313011100 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 23313011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33785676120).

23313011100 is an abundant number, since it is smaller than the sum of its proper divisors (44258341140).

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

23313011100 is a wasteful number, since it uses less digits than its factorization.

23313011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137159 (or 137152 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 23313011100 its reverse (111031332), we get a palindrome (23424042432).

The spelling of 23313011100 in words is "twenty-three billion, three hundred thirteen million, eleven thousand, one hundred".