23683685 has 4 divisors (see below), whose sum is σ = 28420428. Its totient is φ = 18946944.

The previous prime is 23683651. The next prime is 23683687. The reversal of 23683685 is 58638632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9897316 + 13786369 = 3146^2 + 3713^2 .

It is a cyclic number.

It is not a de Polignac number, because 23683685 - 2²² = 19489381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23683687) 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, 2368364 + ... + 2368373.

It is an arithmetic number, because the mean of its divisors is an integer number (7105107).

Almost surely, 2^23683685 is an apocalyptic number.

It is an amenable number.

23683685 is a deficient number, since it is larger than the sum of its proper divisors (4736743).

23683685 is an equidigital number, since it uses as much as digits as its factorization.

23683685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736742.

The product of its digits is 207360, while the sum is 41.

The square root of 23683685 is about 4866.5886409270. The cubic root of 23683685 is about 287.1770690395.

The spelling of 23683685 in words is "twenty-three million, six hundred eighty-three thousand, six hundred eighty-five".