23928689 has 8 divisors (see below), whose sum is σ = 24416640. Its totient is φ = 23443600.

The previous prime is 23928679. The next prime is 23928701. The reversal of 23928689 is 98682932.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23928689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23928679) 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, 24959 + ... + 25899.

It is an arithmetic number, because the mean of its divisors is an integer number (3052080).

Almost surely, 2^23928689 is an apocalyptic number.

It is an amenable number.

23928689 is a deficient number, since it is larger than the sum of its proper divisors (487951).

23928689 is an equidigital number, since it uses as much as digits as its factorization.

23928689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431.

The product of its digits is 373248, while the sum is 47.

The square root of 23928689 is about 4891.6959226837. The cubic root of 23928689 is about 288.1639410291.

The spelling of 23928689 in words is "twenty-three million, nine hundred twenty-eight thousand, six hundred eighty-nine".