23639683 has 2 divisors, whose sum is σ = 23639684. Its totient is φ = 23639682.

The previous prime is 23639659. The next prime is 23639717. The reversal of 23639683 is 38693632.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23639683 is a prime.

It is a super-2 number, since 2×23639683² = 1117669224680978, which contains 22 as substring.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (23639383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11819841 + 11819842.

It is an arithmetic number, because the mean of its divisors is an integer number (11819842).

Almost surely, 2^23639683 is an apocalyptic number.

23639683 is a deficient number, since it is larger than the sum of its proper divisors (1).

23639683 is an equidigital number, since it uses as much as digits as its factorization.

23639683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The square root of 23639683 is about 4862.0657132540. The cubic root of 23639683 is about 286.9991096947. Note that the first 3 decimals are identical.

The spelling of 23639683 in words is "twenty-three million, six hundred thirty-nine thousand, six hundred eighty-three".