230685 has 32 divisors (see below), whose sum is σ = 456960. Its totient is φ = 97344.

The previous prime is 230683. The next prime is 230693. The reversal of 230685 is 586032.

230685 = T₁₂₀ + T₁₂₁ + ... + T₁₄₅.

230685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230685 - 2¹ = 230683 is a prime.

230685 is a lucky number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17739 + ... + 17751.

It is an arithmetic number, because the mean of its divisors is an integer number (14280).

2²³⁰⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

230685 is a deficient number, since it is larger than the sum of its proper divisors (226275).

230685 is an equidigital number, since it uses as much as digits as its factorization.

230685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 230685 is about 480.2967832497. The cubic root of 230685 is about 61.3300217441.

The spelling of 230685 in words is "two hundred thirty thousand, six hundred eighty-five".