230863 has 2 divisors, whose sum is σ = 230864. Its totient is φ = 230862.

The previous prime is 230861. The next prime is 230873. The reversal of 230863 is 368032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230863 - 2¹ = 230861 is a prime.

Together with 230861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230861) 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 as a sum of consecutive naturals, namely, 115431 + 115432.

It is an arithmetic number, because the mean of its divisors is an integer number (115432).

2²³⁰⁸⁶³ is an apocalyptic number.

230863 is a deficient number, since it is larger than the sum of its proper divisors (1).

230863 is an equidigital number, since it uses as much as digits as its factorization.

230863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 230863 is about 480.4820496127. The cubic root of 230863 is about 61.3457920763.

Adding to 230863 its reverse (368032), we get a palindrome (598895).

The spelling of 230863 in words is "two hundred thirty thousand, eight hundred sixty-three".