23456689 has 8 divisors (see below), whose sum is σ = 23940000. Its totient is φ = 22976352.

The previous prime is 23456683. The next prime is 23456717. The reversal of 23456689 is 98665432.

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 23456689 - 2³ = 23456681 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (23456681) 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, 21837 + ... + 22885.

It is an arithmetic number, because the mean of its divisors is an integer number (2992500).

Almost surely, 2^23456689 is an apocalyptic number.

It is an amenable number.

23456689 is a deficient number, since it is larger than the sum of its proper divisors (483311).

23456689 is a wasteful number, since it uses less digits than its factorization.

23456689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487.

The product of its digits is 311040, while the sum is 43.

The square root of 23456689 is about 4843.2106086769. The cubic root of 23456689 is about 286.2566403880.

The spelling of 23456689 in words is "twenty-three million, four hundred fifty-six thousand, six hundred eighty-nine".