230365 has 4 divisors (see below), whose sum is σ = 276444. Its totient is φ = 184288.

The previous prime is 230357. The next prime is 230369. The reversal of 230365 is 563032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 131769 + 98596 = 363^2 + 314^2 .

It is a cyclic number.

It is not a de Polignac number, because 230365 - 2³ = 230357 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

230365 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230369) 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 3 ways as a sum of consecutive naturals, for example, 23032 + ... + 23041.

It is an arithmetic number, because the mean of its divisors is an integer number (69111).

2²³⁰³⁶⁵ is an apocalyptic number.

It is an amenable number.

230365 is a deficient number, since it is larger than the sum of its proper divisors (46079).

230365 is an equidigital number, since it uses as much as digits as its factorization.

230365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46078.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 230365 is about 479.9635402820. The cubic root of 230365 is about 61.3016501715.

Adding to 230365 its reverse (563032), we get a palindrome (793397).

It can be divided in two parts, 230 and 365, that added together give a palindrome (595).

The spelling of 230365 in words is "two hundred thirty thousand, three hundred sixty-five".