230823 has 16 divisors (see below), whose sum is σ = 349440. Its totient is φ = 150552.

The previous prime is 230819. The next prime is 230827. The reversal of 230823 is 328032.

It is an interprime number because it is at equal distance from previous prime (230819) and next prime (230827).

It is not a de Polignac number, because 230823 - 2² = 230819 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 230796 and 230805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2190 + ... + 2292.

It is an arithmetic number, because the mean of its divisors is an integer number (21840).

2²³⁰⁸²³ is an apocalyptic number.

230823 is a deficient number, since it is larger than the sum of its proper divisors (118617).

230823 is a wasteful number, since it uses less digits than its factorization.

230823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 230823 is about 480.4404229454. The cubic root of 230823 is about 61.3422488877.

Adding to 230823 its reverse (328032), we get a palindrome (558855).

The spelling of 230823 in words is "two hundred thirty thousand, eight hundred twenty-three".