23202112320 has 84 divisors (see below), whose sum is σ = 79805608740. Its totient is φ = 6187229184.

The previous prime is 23202112303. The next prime is 23202112321. The reversal of 23202112320 is 2321120232.

23202112320 is a `hidden beast` number, since 2 + 320 + 21 + 1 + 2 + 320 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10189691136 + 13012421184 = 100944^2 + 114072^2 .

It is a super-2 number, since 2×23202112320² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23202112293 and 23202112302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23202112321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4025265 + ... + 4031024.

Almost surely, 2^23202112320 is an apocalyptic number.

23202112320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23202112320 is an abundant number, since it is smaller than the sum of its proper divisors (56603496420).

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

23202112320 is a wasteful number, since it uses less digits than its factorization.

23202112320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8056312 (or 8056299 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23202112320 its reverse (2321120232), we get a palindrome (25523232552).

The spelling of 23202112320 in words is "twenty-three billion, two hundred two million, one hundred twelve thousand, three hundred twenty".