23785685 has 16 divisors (see below), whose sum is σ = 35586432. Its totient is φ = 14827200.

The previous prime is 23785681. The next prime is 23785693. The reversal of 23785685 is 58658732.

It is not a de Polignac number, because 23785685 - 2² = 23785681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23785681) 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, 30506 + ... + 31275.

It is an arithmetic number, because the mean of its divisors is an integer number (2224152).

Almost surely, 2^23785685 is an apocalyptic number.

It is an amenable number.

23785685 is a deficient number, since it is larger than the sum of its proper divisors (11800747).

23785685 is a wasteful number, since it uses less digits than its factorization.

23785685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61804.

The product of its digits is 403200, while the sum is 44.

The square root of 23785685 is about 4877.0570019224. The cubic root of 23785685 is about 287.5887463897.

The spelling of 23785685 in words is "twenty-three million, seven hundred eighty-five thousand, six hundred eighty-five".