23038636 has 12 divisors (see below), whose sum is σ = 40486600. Its totient is φ = 11471040.

The previous prime is 23038619. The next prime is 23038649. The reversal of 23038636 is 63683032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23038598 and 23038607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10986 + ... + 12913.

Almost surely, 2^23038636 is an apocalyptic number.

It is an amenable number.

23038636 is a deficient number, since it is larger than the sum of its proper divisors (17447964).

23038636 is a wasteful number, since it uses less digits than its factorization.

23038636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24144 (or 24142 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 23038636 is about 4799.8579145637. The cubic root of 23038636 is about 284.5458489678.

The spelling of 23038636 in words is "twenty-three million, thirty-eight thousand, six hundred thirty-six".