23985285 has 16 divisors (see below), whose sum is σ = 38489856. Its totient is φ = 12754368.

The previous prime is 23985281. The next prime is 23985307. The reversal of 23985285 is 58258932.

It is not a de Polignac number, because 23985285 - 2² = 23985281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23985281) 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, 3327 + ... + 7683.

It is an arithmetic number, because the mean of its divisors is an integer number (2405616).

Almost surely, 2^23985285 is an apocalyptic number.

It is an amenable number.

23985285 is a deficient number, since it is larger than the sum of its proper divisors (14504571).

23985285 is a wasteful number, since it uses less digits than its factorization.

23985285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4732.

The product of its digits is 172800, while the sum is 42.

The square root of 23985285 is about 4897.4774118928. The cubic root of 23985285 is about 288.3909500579.

The spelling of 23985285 in words is "twenty-three million, nine hundred eighty-five thousand, two hundred eighty-five".