23821173032 has 32 divisors (see below), whose sum is σ = 45346482720. Its totient is φ = 11728896960.

The previous prime is 23821173017. The next prime is 23821173053. The reversal of 23821173032 is 23037112832.

It is a self number, because there is not a number n which added to its sum of digits gives 23821173032.

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, 2222807 + ... + 2233497.

It is an arithmetic number, because the mean of its divisors is an integer number (1417077585).

Almost surely, 2^23821173032 is an apocalyptic number.

It is an amenable number.

23821173032 is a deficient number, since it is larger than the sum of its proper divisors (21525309688).

23821173032 is a wasteful number, since it uses less digits than its factorization.

23821173032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14921 (or 14917 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 23821173032 its reverse (23037112832), we get a palindrome (46858285864).

Subtracting from 23821173032 its reverse (23037112832), we obtain a triangular number (784060200 = T₃₉₅₉₉).

The spelling of 23821173032 in words is "twenty-three billion, eight hundred twenty-one million, one hundred seventy-three thousand, thirty-two".