23632636 has 6 divisors (see below), whose sum is σ = 41357120. Its totient is φ = 11816316.

The previous prime is 23632619. The next prime is 23632639. The reversal of 23632636 is 63623632.

It is a junction number, because it is equal to n+sod(n) for n = 23632598 and 23632607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23632639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2954076 + ... + 2954083.

Almost surely, 2^23632636 is an apocalyptic number.

It is an amenable number.

23632636 is a deficient number, since it is larger than the sum of its proper divisors (17724484).

23632636 is a wasteful number, since it uses less digits than its factorization.

23632636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5908163 (or 5908161 counting only the distinct ones).

The product of its digits is 23328, while the sum is 31.

The square root of 23632636 is about 4861.3409672641. The cubic root of 23632636 is about 286.9705886731.

The spelling of 23632636 in words is "twenty-three million, six hundred thirty-two thousand, six hundred thirty-six".