230723 has 4 divisors (see below), whose sum is σ = 235680. Its totient is φ = 225768.

The previous prime is 230719. The next prime is 230729. The reversal of 230723 is 327032.

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

It is a cyclic number.

It is not a de Polignac number, because 230723 - 2² = 230719 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230729) 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, 2408 + ... + 2501.

It is an arithmetic number, because the mean of its divisors is an integer number (58920).

2²³⁰⁷²³ is an apocalyptic number.

230723 is a deficient number, since it is larger than the sum of its proper divisors (4957).

230723 is an equidigital number, since it uses as much as digits as its factorization.

230723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956.

The product of its (nonzero) digits is 252, while the sum is 17.

The square root of 230723 is about 480.3363404949. The cubic root of 230723 is about 61.3333891251. Note that the first 4 decimals are identical.

Adding to 230723 its reverse (327032), we get a palindrome (557755).

The spelling of 230723 in words is "two hundred thirty thousand, seven hundred twenty-three".