23694689431 has 8 divisors (see below), whose sum is σ = 27137635200. Its totient is φ = 20266241208.

The previous prime is 23694689419. The next prime is 23694689449. The reversal of 23694689431 is 13498649632.

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

It is a cyclic number.

It is not a de Polignac number, because 23694689431 - 2¹³ = 23694681239 is a prime.

It is a super-2 number, since 2×23694689431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23694689411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3620881 + ... + 3627418.

It is an arithmetic number, because the mean of its divisors is an integer number (3392204400).

Almost surely, 2^23694689431 is an apocalyptic number.

23694689431 is a deficient number, since it is larger than the sum of its proper divisors (3442945769).

23694689431 is an equidigital number, since it uses as much as digits as its factorization.

23694689431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7248773.

The product of its digits is 6718464, while the sum is 55.

The spelling of 23694689431 in words is "twenty-three billion, six hundred ninety-four million, six hundred eighty-nine thousand, four hundred thirty-one".