23630236 has 24 divisors (see below), whose sum is σ = 47376000. Its totient is φ = 10102512.

The previous prime is 23630213. The next prime is 23630239. The reversal of 23630236 is 63203632.

It is a self number, because there is not a number n which added to its sum of digits gives 23630236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23630239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15015 + ... + 16513.

It is an arithmetic number, because the mean of its divisors is an integer number (1974000).

Almost surely, 2^23630236 is an apocalyptic number.

It is an amenable number.

23630236 is an abundant number, since it is smaller than the sum of its proper divisors (23745764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23630236 is a wasteful number, since it uses less digits than its factorization.

23630236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073 (or 2071 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 23630236 is about 4861.0941155258. The cubic root of 23630236 is about 286.9608739615.

Adding to 23630236 its reverse (63203632), we get a palindrome (86833868).

The spelling of 23630236 in words is "twenty-three million, six hundred thirty thousand, two hundred thirty-six".