23685013 has 8 divisors (see below), whose sum is σ = 25888896. Its totient is φ = 21489600.

The previous prime is 23685007. The next prime is 23685017. The reversal of 23685013 is 31058632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-23685013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23685017) 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, 4708 + ... + 8338.

It is an arithmetic number, because the mean of its divisors is an integer number (3236112).

Almost surely, 2^23685013 is an apocalyptic number.

It is an amenable number.

23685013 is a deficient number, since it is larger than the sum of its proper divisors (2203883).

23685013 is a wasteful number, since it uses less digits than its factorization.

23685013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 23685013 is about 4866.7250795581. The cubic root of 23685013 is about 287.1824365040.

It can be divided in two parts, 2368 and 5013, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 23685013 in words is "twenty-three million, six hundred eighty-five thousand, thirteen".