23113233220 has 96 divisors (see below), whose sum is σ = 61656650496. Its totient is φ = 7068172800.

The previous prime is 23113233217. The next prime is 23113233233. The reversal of 23113233220 is 2233231132.

It is a super-2 number, since 2×23113233220² (a number of 22 digits) contains 22 as substring.

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 = 23113233191 and 23113233200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59971 + ... + 223210.

It is an arithmetic number, because the mean of its divisors is an integer number (642256776).

Almost surely, 2^23113233220 is an apocalyptic number.

23113233220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23113233220 is an abundant number, since it is smaller than the sum of its proper divisors (38543417276).

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

23113233220 is a wasteful number, since it uses less digits than its factorization.

23113233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283261 (or 283259 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23113233220 its reverse (2233231132), we get a palindrome (25346464352).

The spelling of 23113233220 in words is "twenty-three billion, one hundred thirteen million, two hundred thirty-three thousand, two hundred twenty".