23630247 has 12 divisors (see below), whose sum is σ = 34181680. Its totient is φ = 15730848.

The previous prime is 23630239. The next prime is 23630249. The reversal of 23630247 is 74203632.

23630247 is a `hidden beast` number, since 2 + 3 + 630 + 24 + 7 = 666.

It is not a de Polignac number, because 23630247 - 2³ = 23630239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23630247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23630249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6843 + ... + 9699.

Almost surely, 2^23630247 is an apocalyptic number.

23630247 is a deficient number, since it is larger than the sum of its proper divisors (10551433).

23630247 is a wasteful number, since it uses less digits than its factorization.

23630247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782 (or 3779 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 23630247 is about 4861.0952469582. The cubic root of 23630247 is about 286.9609184887.

Adding to 23630247 its reverse (74203632), we get a palindrome (97833879).

The spelling of 23630247 in words is "twenty-three million, six hundred thirty thousand, two hundred forty-seven".