230765 has 4 divisors (see below), whose sum is σ = 276924. Its totient is φ = 184608.

The previous prime is 230761. The next prime is 230767. The reversal of 230765 is 567032.

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 158404 + 72361 = 398^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 230765 - 2² = 230761 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 3⁷ + 7⁶ + 0 + 6² + 5⁷ .

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

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 230765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23072 + ... + 23081.

It is an arithmetic number, because the mean of its divisors is an integer number (69231).

2²³⁰⁷⁶⁵ is an apocalyptic number.

It is an amenable number.

230765 is a deficient number, since it is larger than the sum of its proper divisors (46159).

230765 is an equidigital number, since it uses as much as digits as its factorization.

230765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46158.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 230765 is about 480.3800578708. The cubic root of 230765 is about 61.3371105372.

Adding to 230765 its reverse (567032), we get a palindrome (797797).

The spelling of 230765 in words is "two hundred thirty thousand, seven hundred sixty-five".