23678636 has 12 divisors (see below), whose sum is σ = 43618680. Its totient is φ = 11216160.

The previous prime is 23678623. The next prime is 23678639. The reversal of 23678636 is 63687632.

It is a junction number, because it is equal to n+sod(n) for n = 23678593 and 23678602.

It is not an unprimeable number, because it can be changed into a prime (23678639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155705 + ... + 155856.

It is an arithmetic number, because the mean of its divisors is an integer number (3634890).

Almost surely, 2^23678636 is an apocalyptic number.

It is an amenable number.

23678636 is a deficient number, since it is larger than the sum of its proper divisors (19940044).

23678636 is a wasteful number, since it uses less digits than its factorization.

23678636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311584 (or 311582 counting only the distinct ones).

The product of its digits is 217728, while the sum is 41.

The square root of 23678636 is about 4866.0698720836. The cubic root of 23678636 is about 287.1566603338.

The spelling of 23678636 in words is "twenty-three million, six hundred seventy-eight thousand, six hundred thirty-six".