23686634 has 8 divisors (see below), whose sum is σ = 35801568. Its totient is φ = 11752780.

The previous prime is 23686633. The next prime is 23686657. The reversal of 23686634 is 43668632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23686634² = 1122113260499912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23686631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44942 + ... + 45465.

It is an arithmetic number, because the mean of its divisors is an integer number (4475196).

Almost surely, 2^23686634 is an apocalyptic number.

23686634 is a deficient number, since it is larger than the sum of its proper divisors (12114934).

23686634 is a wasteful number, since it uses less digits than its factorization.

23686634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90540.

The product of its digits is 124416, while the sum is 38.

The square root of 23686634 is about 4866.8916158057. The cubic root of 23686634 is about 287.1889879340.

The spelling of 23686634 in words is "twenty-three million, six hundred eighty-six thousand, six hundred thirty-four".