23711904420 has 24 divisors (see below), whose sum is σ = 66393332544. Its totient is φ = 6323174496.

The previous prime is 23711904413. The next prime is 23711904421. The reversal of 23711904420 is 2440911732.

It is a super-2 number, since 2×23711904420² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23711904421) 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 7 ways as a sum of consecutive naturals, for example, 197599144 + ... + 197599263.

It is an arithmetic number, because the mean of its divisors is an integer number (2766388856).

Almost surely, 2^23711904420 is an apocalyptic number.

23711904420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23711904420 is an abundant number, since it is smaller than the sum of its proper divisors (42681428124).

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

23711904420 is a wasteful number, since it uses less digits than its factorization.

23711904420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395198419 (or 395198417 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 23711904420 in words is "twenty-three billion, seven hundred eleven million, nine hundred four thousand, four hundred twenty".