23100121331320 has 32 divisors (see below), whose sum is σ = 56700297814320. Its totient is φ = 8400044120320.

The previous prime is 23100121331263. The next prime is 23100121331321. The reversal of 23100121331320 is 2313312100132.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 23100121331291 and 23100121331300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23100121331321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26250137437 + ... + 26250138316.

Almost surely, 2^{23100121331320} is an apocalyptic number.

23100121331320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23100121331320 is an abundant number, since it is smaller than the sum of its proper divisors (33600176483000).

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

23100121331320 is a wasteful number, since it uses less digits than its factorization.

23100121331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52500275775 (or 52500275771 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 23100121331320 its reverse (2313312100132), we get a palindrome (25413433431452).

The spelling of 23100121331320 in words is "twenty-three trillion, one hundred billion, one hundred twenty-one million, three hundred thirty-one thousand, three hundred twenty".