23100233520 has 160 divisors (see below), whose sum is σ = 88136358912. Its totient is φ = 4873890816.

The previous prime is 23100233503. The next prime is 23100233543. The reversal of 23100233520 is 2533200132.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 507012 + ... + 550691.

Almost surely, 2^23100233520 is an apocalyptic number.

23100233520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23100233520 is an abundant number, since it is smaller than the sum of its proper divisors (65036125392).

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

23100233520 is a wasteful number, since it uses less digits than its factorization.

23100233520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057739 (or 1057733 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 23100233520 its reverse (2533200132), we get a palindrome (25633433652).

The spelling of 23100233520 in words is "twenty-three billion, one hundred million, two hundred thirty-three thousand, five hundred twenty".