23183355220 has 12 divisors (see below), whose sum is σ = 48685046004. Its totient is φ = 9273342080.

The previous prime is 23183355203. The next prime is 23183355233. The reversal of 23183355220 is 2255338132.

It can be written as a sum of positive squares in 2 ways, for example, as 2735499204 + 20447856016 = 52302^2 + 142996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579583861 + ... + 579583900.

It is an arithmetic number, because the mean of its divisors is an integer number (4057087167).

Almost surely, 2^23183355220 is an apocalyptic number.

23183355220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23183355220 is an abundant number, since it is smaller than the sum of its proper divisors (25501690784).

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

23183355220 is a wasteful number, since it uses less digits than its factorization.

23183355220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159167770 (or 1159167768 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 23183355220 in words is "twenty-three billion, one hundred eighty-three million, three hundred fifty-five thousand, two hundred twenty".