23030113220 has 24 divisors (see below), whose sum is σ = 48574440600. Its totient is φ = 9171816192.

The previous prime is 23030113177. The next prime is 23030113229. The reversal of 23030113220 is 2231103032.

It can be written as a sum of positive squares in 4 ways, for example, as 5339517184 + 17690596036 = 73072^2 + 133006^2 .

It is a super-2 number, since 2×23030113220² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23030113229) 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, 2509625 + ... + 2518784.

It is an arithmetic number, because the mean of its divisors is an integer number (2023935025).

Almost surely, 2^23030113220 is an apocalyptic number.

23030113220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23030113220 is an abundant number, since it is smaller than the sum of its proper divisors (25544327380).

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

23030113220 is a wasteful number, since it uses less digits than its factorization.

23030113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028647 (or 5028645 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23030113220 its reverse (2231103032), we get a palindrome (25261216252).

The spelling of 23030113220 in words is "twenty-three billion, thirty million, one hundred thirteen thousand, two hundred twenty".