23942740388 has 24 divisors (see below), whose sum is σ = 48999099072. Its totient is φ = 10022541984.

The previous prime is 23942740343. The next prime is 23942740411. The reversal of 23942740388 is 88304724932.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9941795 + ... + 9944202.

It is an arithmetic number, because the mean of its divisors is an integer number (2041629128).

Almost surely, 2^23942740388 is an apocalyptic number.

23942740388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23942740388 is an abundant number, since it is smaller than the sum of its proper divisors (25056358684).

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

23942740388 is a wasteful number, since it uses less digits than its factorization.

23942740388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19886051 (or 19886049 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 23942740388 in words is "twenty-three billion, nine hundred forty-two million, seven hundred forty thousand, three hundred eighty-eight".