23113231100 has 72 divisors (see below), whose sum is σ = 52750873728. Its totient is φ = 8778182400.

The previous prime is 23113231087. The next prime is 23113231103. The reversal of 23113231100 is 113231132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23113231103) 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, 93962 + ... + 234638.

It is an arithmetic number, because the mean of its divisors is an integer number (732651024).

Almost surely, 2^23113231100 is an apocalyptic number.

23113231100 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 23113231100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26375436864).

23113231100 is an abundant number, since it is smaller than the sum of its proper divisors (29637642628).

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

23113231100 is a wasteful number, since it uses less digits than its factorization.

23113231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140775 (or 140768 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 23113231100 its reverse (113231132), we get a palindrome (23226462232).

The spelling of 23113231100 in words is "twenty-three billion, one hundred thirteen million, two hundred thirty-one thousand, one hundred".