23613977020 has 24 divisors (see below), whose sum is σ = 49886301024. Its totient is φ = 9389029056.

The previous prime is 23613977011. The next prime is 23613977027. The reversal of 23613977020 is 2077931632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23613977027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3531687 + ... + 3538366.

It is an arithmetic number, because the mean of its divisors is an integer number (2078595876).

Almost surely, 2^23613977020 is an apocalyptic number.

23613977020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23613977020 is an abundant number, since it is smaller than the sum of its proper divisors (26272324004).

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

23613977020 is a wasteful number, since it uses less digits than its factorization.

23613977020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7070229 (or 7070227 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 40.

The spelling of 23613977020 in words is "twenty-three billion, six hundred thirteen million, nine hundred seventy-seven thousand, twenty".