23808689 has 4 divisors (see below), whose sum is σ = 23951424. Its totient is φ = 23665956.

The previous prime is 23808679. The next prime is 23808709. The reversal of 23808689 is 98680832.

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 23808689 - 2²⁰ = 22760113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23808679) 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 3 ways as a sum of consecutive naturals, for example, 71117 + ... + 71450.

It is an arithmetic number, because the mean of its divisors is an integer number (5987856).

Almost surely, 2^23808689 is an apocalyptic number.

It is an amenable number.

23808689 is a deficient number, since it is larger than the sum of its proper divisors (142735).

23808689 is a wasteful number, since it uses less digits than its factorization.

23808689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142734.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 23808689 is about 4879.4148214719. The cubic root of 23808689 is about 287.6814290250.

The spelling of 23808689 in words is "twenty-three million, eight hundred eight thousand, six hundred eighty-nine".