231230323 has 4 divisors (see below), whose sum is σ = 243400360. Its totient is φ = 219060288.

The previous prime is 231230303. The next prime is 231230341. The reversal of 231230323 is 323032132.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231230323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 12170017 = 231230323 / (2 + 3 + 1 + 2 + 3 + 0 + 3 + 2 + 3).

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 231230323.

It is not an unprimeable number, because it can be changed into a prime (231230303) 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, 6084990 + ... + 6085027.

It is an arithmetic number, because the mean of its divisors is an integer number (60850090).

Almost surely, 2^231230323 is an apocalyptic number.

231230323 is a deficient number, since it is larger than the sum of its proper divisors (12170037).

231230323 is a wasteful number, since it uses less digits than its factorization.

231230323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12170036.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 231230323 is about 15206.2593362076. The cubic root of 231230323 is about 613.7831032290.

Adding to 231230323 its reverse (323032132), we get a palindrome (554262455).

The spelling of 231230323 in words is "two hundred thirty-one million, two hundred thirty thousand, three hundred twenty-three".