23944691985 has 8 divisors (see below), whose sum is σ = 38311507200. Its totient is φ = 12770502384.

The previous prime is 23944691971. The next prime is 23944692001. The reversal of 23944691985 is 58919644932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23944691985 - 2⁶ = 23944691921 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 798156385 + ... + 798156414.

It is an arithmetic number, because the mean of its divisors is an integer number (4788938400).

Almost surely, 2^23944691985 is an apocalyptic number.

It is an amenable number.

23944691985 is a deficient number, since it is larger than the sum of its proper divisors (14366815215).

23944691985 is a wasteful number, since it uses less digits than its factorization.

23944691985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596312807.

The product of its digits is 16796160, while the sum is 60.

The spelling of 23944691985 in words is "twenty-three billion, nine hundred forty-four million, six hundred ninety-one thousand, nine hundred eighty-five".