23552687139 has 4 divisors (see below), whose sum is σ = 31403582856. Its totient is φ = 15701791424.

The previous prime is 23552687117. The next prime is 23552687149. The reversal of 23552687139 is 93178625532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23552687139 - 2⁹ = 23552686627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23552687091 and 23552687100.

It is not an unprimeable number, because it can be changed into a prime (23552687149) 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, 3925447854 + ... + 3925447859.

It is an arithmetic number, because the mean of its divisors is an integer number (7850895714).

Almost surely, 2^23552687139 is an apocalyptic number.

23552687139 is a deficient number, since it is larger than the sum of its proper divisors (7850895717).

23552687139 is an equidigital number, since it uses as much as digits as its factorization.

23552687139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7850895716.

The product of its digits is 2721600, while the sum is 51.

The spelling of 23552687139 in words is "twenty-three billion, five hundred fifty-two million, six hundred eighty-seven thousand, one hundred thirty-nine".