230855 has 4 divisors (see below), whose sum is σ = 277032. Its totient is φ = 184680.

The previous prime is 230849. The next prime is 230861. The reversal of 230855 is 558032.

230855 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (230849) and next prime (230861).

It is a de Polignac number, because none of the positive numbers 2^k-230855 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23081 + ... + 23090.

It is an arithmetic number, because the mean of its divisors is an integer number (69258).

2²³⁰⁸⁵⁵ is an apocalyptic number.

230855 is a deficient number, since it is larger than the sum of its proper divisors (46177).

230855 is an equidigital number, since it uses as much as digits as its factorization.

230855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46176.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 230855 is about 480.4737245677. The cubic root of 230855 is about 61.3450834713.

Adding to 230855 its reverse (558032), we get a palindrome (788887).

The spelling of 230855 in words is "two hundred thirty thousand, eight hundred fifty-five".