23681679 has 16 divisors (see below), whose sum is σ = 36279552. Its totient is φ = 13459968.

The previous prime is 23681653. The next prime is 23681681. The reversal of 23681679 is 97618632.

It is a happy number.

It is not a de Polignac number, because 23681679 - 2⁸ = 23681423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23681679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23681689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132 + ... + 6974.

It is an arithmetic number, because the mean of its divisors is an integer number (2267472).

Almost surely, 2^23681679 is an apocalyptic number.

23681679 is a deficient number, since it is larger than the sum of its proper divisors (12597873).

23681679 is a wasteful number, since it uses less digits than its factorization.

23681679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6046.

The product of its digits is 108864, while the sum is 42.

The square root of 23681679 is about 4866.3825373680. The cubic root of 23681679 is about 287.1689608774.

The spelling of 23681679 in words is "twenty-three million, six hundred eighty-one thousand, six hundred seventy-nine".