23939131589 has 4 divisors (see below), whose sum is σ = 23946373824. Its totient is φ = 23931889356.

The previous prime is 23939131583. The next prime is 23939131591. The reversal of 23939131589 is 98513193932.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23939131589 - 2²⁴ = 23922354373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23939131589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23939131583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3616157 + ... + 3622770.

It is an arithmetic number, because the mean of its divisors is an integer number (5986593456).

Almost surely, 2^23939131589 is an apocalyptic number.

It is an amenable number.

23939131589 is a deficient number, since it is larger than the sum of its proper divisors (7242235).

23939131589 is an equidigital number, since it uses as much as digits as its factorization.

23939131589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7242234.

The product of its digits is 1574640, while the sum is 53.

The spelling of 23939131589 in words is "twenty-three billion, nine hundred thirty-nine million, one hundred thirty-one thousand, five hundred eighty-nine".