23977421715720 has 128 divisors (see below), whose sum is σ = 78475926574080. Its totient is φ = 5812384992000.

The previous prime is 23977421715607. The next prime is 23977421715859. The reversal of 23977421715720 is 2751712477932.

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, 23674515 + ... + 24666525.

It is an arithmetic number, because the mean of its divisors is an integer number (613093176360).

Almost surely, 2^{23977421715720} is an apocalyptic number.

23977421715720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23977421715720 is an abundant number, since it is smaller than the sum of its proper divisors (54498504858360).

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

23977421715720 is a wasteful number, since it uses less digits than its factorization.

23977421715720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010347 (or 1010343 counting only the distinct ones).

The product of its (nonzero) digits is 10372320, while the sum is 57.

The spelling of 23977421715720 in words is "twenty-three trillion, nine hundred seventy-seven billion, four hundred twenty-one million, seven hundred fifteen thousand, seven hundred twenty".