23423730220 has 48 divisors (see below), whose sum is σ = 54264621600. Its totient is φ = 8422008320.

The previous prime is 23423730199. The next prime is 23423730229. The reversal of 23423730220 is 2203732432.

It is a super-2 number, since 2×23423730220² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23423730229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578575 + ... + 617734.

It is an arithmetic number, because the mean of its divisors is an integer number (1130512950).

Almost surely, 2^23423730220 is an apocalyptic number.

23423730220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23423730220 is an abundant number, since it is smaller than the sum of its proper divisors (30840891380).

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

23423730220 is a wasteful number, since it uses less digits than its factorization.

23423730220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196418 (or 1196416 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 28.

The spelling of 23423730220 in words is "twenty-three billion, four hundred twenty-three million, seven hundred thirty thousand, two hundred twenty".