23110331201320 has 64 divisors (see below), whose sum is σ = 56726055172800. Its totient is φ = 8403653575680.

The previous prime is 23110331201281. The next prime is 23110331201333. The reversal of 23110331201320 is 2310213301132.

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 = 23110331201291 and 23110331201300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41775567 + ... + 42325153.

It is an arithmetic number, because the mean of its divisors is an integer number (886344612075).

Almost surely, 2^{23110331201320} is an apocalyptic number.

23110331201320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23110331201320 is an abundant number, since it is smaller than the sum of its proper divisors (33615723971480).

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

23110331201320 is a wasteful number, since it uses less digits than its factorization.

23110331201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645178 (or 645174 counting only the distinct ones).

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

Adding to 23110331201320 its reverse (2310213301132), we get a palindrome (25420544502452).

The spelling of 23110331201320 in words is "twenty-three trillion, one hundred ten billion, three hundred thirty-one million, two hundred one thousand, three hundred twenty".