23485689 has 6 divisors (see below), whose sum is σ = 33923786. Its totient is φ = 15657120.

The previous prime is 23485669. The next prime is 23485703. The reversal of 23485689 is 98658432.

It can be written as a sum of positive squares in only one way, i.e., 23474025 + 11664 = 4845^2 + 108^2 .

It is not a de Polignac number, because 23485689 - 2⁸ = 23485433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23485669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1304752 + ... + 1304769.

Almost surely, 2^23485689 is an apocalyptic number.

It is an amenable number.

23485689 is a deficient number, since it is larger than the sum of its proper divisors (10438097).

23485689 is a wasteful number, since it uses less digits than its factorization.

23485689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609527 (or 2609524 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 23485689 is about 4846.2035656790. The cubic root of 23485689 is about 286.3745601825.

The spelling of 23485689 in words is "twenty-three million, four hundred eighty-five thousand, six hundred eighty-nine".