23499285 has 16 divisors (see below), whose sum is σ = 38474304. Its totient is φ = 12241152.

The previous prime is 23499283. The next prime is 23499323. The reversal of 23499285 is 58299432.

It is not a de Polignac number, because 23499285 - 2¹ = 23499283 is a prime.

It is a super-2 number, since 2×23499285² = 1104432791022450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23499283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17572 + ... + 18861.

It is an arithmetic number, because the mean of its divisors is an integer number (2404644).

Almost surely, 2^23499285 is an apocalyptic number.

It is an amenable number.

23499285 is a deficient number, since it is larger than the sum of its proper divisors (14975019).

23499285 is a wasteful number, since it uses less digits than its factorization.

23499285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36484.

The product of its digits is 155520, while the sum is 42.

The square root of 23499285 is about 4847.6061102363. The cubic root of 23499285 is about 286.4298108137.

The spelling of 23499285 in words is "twenty-three million, four hundred ninety-nine thousand, two hundred eighty-five".