23974324390 has 32 divisors (see below), whose sum is σ = 45040867776. Its totient is φ = 9170578560.

The previous prime is 23974324369. The next prime is 23974324399. The reversal of 23974324390 is 9342347932.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 23974324390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23974324399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200124 + ... + 1219936.

It is an arithmetic number, because the mean of its divisors is an integer number (1407527118).

Almost surely, 2^23974324390 is an apocalyptic number.

23974324390 is a deficient number, since it is larger than the sum of its proper divisors (21066543386).

23974324390 is a wasteful number, since it uses less digits than its factorization.

23974324390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25104.

The product of its (nonzero) digits is 979776, while the sum is 46.

The spelling of 23974324390 in words is "twenty-three billion, nine hundred seventy-four million, three hundred twenty-four thousand, three hundred ninety".