23676185618 has 6 divisors (see below), whose sum is σ = 35514604839. Its totient is φ = 11837984006.

The previous prime is 23676185531. The next prime is 23676185623. The reversal of 23676185618 is 81658167632.

It can be written as a sum of positive squares in only one way, i.e., 11838092809 + 11838092809 = 108803^2 + 108803^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=108803.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23676185618.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 163205 + ... + 272007.

Almost surely, 2^23676185618 is an apocalyptic number.

23676185618 is a deficient number, since it is larger than the sum of its proper divisors (11838419221).

23676185618 is an frugal number, since it uses more digits than its factorization.

23676185618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217608 (or 108805 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The spelling of 23676185618 in words is "twenty-three billion, six hundred seventy-six million, one hundred eighty-five thousand, six hundred eighteen".