23628897 has 6 divisors (see below), whose sum is σ = 34130642. Its totient is φ = 15752592.

The previous prime is 23628883. The next prime is 23628901. The reversal of 23628897 is 79882632.

It can be written as a sum of positive squares in only one way, i.e., 19368801 + 4260096 = 4401^2 + 2064^2 .

It is not a de Polignac number, because 23628897 - 2⁸ = 23628641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23628817) 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, 1312708 + ... + 1312725.

Almost surely, 2^23628897 is an apocalyptic number.

It is an amenable number.

23628897 is a deficient number, since it is larger than the sum of its proper divisors (10501745).

23628897 is a wasteful number, since it uses less digits than its factorization.

23628897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625439 (or 2625436 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 23628897 is about 4860.9563873789. The cubic root of 23628897 is about 286.9554536761.

The spelling of 23628897 in words is "twenty-three million, six hundred twenty-eight thousand, eight hundred ninety-seven".