23389872171 has 8 divisors (see below), whose sum is σ = 31189614480. Its totient is φ = 15591688992.

The previous prime is 23389872151. The next prime is 23389872197. The reversal of 23389872171 is 17127898332.

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

It is not a de Polignac number, because 23389872171 - 2³¹ = 21242388523 is a prime.

It is a super-2 number, since 2×23389872171² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23389872151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354316 + ... + 415113.

It is an arithmetic number, because the mean of its divisors is an integer number (3898701810).

Almost surely, 2^23389872171 is an apocalyptic number.

23389872171 is a deficient number, since it is larger than the sum of its proper divisors (7799742309).

23389872171 is a wasteful number, since it uses less digits than its factorization.

23389872171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779565.

The product of its digits is 1016064, while the sum is 51.

The spelling of 23389872171 in words is "twenty-three billion, three hundred eighty-nine million, eight hundred seventy-two thousand, one hundred seventy-one".