23385580720 has 20 divisors (see below), whose sum is σ = 54371475360. Its totient is φ = 9354232256.

The previous prime is 23385580661. The next prime is 23385580723. The reversal of 23385580720 is 2708558332.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×23385580720² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23385580723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146159800 + ... + 146159959.

It is an arithmetic number, because the mean of its divisors is an integer number (2718573768).

Almost surely, 2^23385580720 is an apocalyptic number.

23385580720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23385580720 is an abundant number, since it is smaller than the sum of its proper divisors (30985894640).

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

23385580720 is a wasteful number, since it uses less digits than its factorization.

23385580720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292319772 (or 292319766 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 23385580720 in words is "twenty-three billion, three hundred eighty-five million, five hundred eighty thousand, seven hundred twenty".