23805866973 has 64 divisors (see below), whose sum is σ = 38790563840. Its totient is φ = 12684460032.

The previous prime is 23805866969. The next prime is 23805867017. The reversal of 23805866973 is 37966850832.

It is not a de Polignac number, because 23805866973 - 2² = 23805866969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is the 154292-nd Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23805866923) by changing a digit.

It is a nontrivial repunit in base 154291.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7468086 + ... + 7471272.

It is an arithmetic number, because the mean of its divisors is an integer number (606102560).

Almost surely, 2^23805866973 is an apocalyptic number.

It is an amenable number.

23805866973 is a deficient number, since it is larger than the sum of its proper divisors (14984696867).

23805866973 is a wasteful number, since it uses less digits than its factorization.

23805866973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506.

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 23805866973 in words is "twenty-three billion, eight hundred five million, eight hundred sixty-six thousand, nine hundred seventy-three".