23785678 has 16 divisors (see below), whose sum is σ = 41608800. Its totient is φ = 10193568.

The previous prime is 23785667. The next prime is 23785679. The reversal of 23785678 is 87658732.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23785679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16651 + ... + 18022.

It is an arithmetic number, because the mean of its divisors is an integer number (2600550).

Almost surely, 2^23785678 is an apocalyptic number.

23785678 is a deficient number, since it is larger than the sum of its proper divisors (17823122).

23785678 is an equidigital number, since it uses as much as digits as its factorization.

23785678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34696 (or 34682 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 23785678 is about 4877.0562842764. The cubic root of 23785678 is about 287.5887181777.

The spelling of 23785678 in words is "twenty-three million, seven hundred eighty-five thousand, six hundred seventy-eight".