231303323 has 2 divisors, whose sum is σ = 231303324. Its totient is φ = 231303322.

The previous prime is 231303301. The next prime is 231303329. The reversal of 231303323 is 323303132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231303323 - 2⁸ = 231303067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231303295 and 231303304.

It is not a weakly prime, because it can be changed into another prime (231303329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115651661 + 115651662.

It is an arithmetic number, because the mean of its divisors is an integer number (115651662).

Almost surely, 2^231303323 is an apocalyptic number.

231303323 is a deficient number, since it is larger than the sum of its proper divisors (1).

231303323 is an equidigital number, since it uses as much as digits as its factorization.

231303323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 231303323 is about 15208.6594741285. The cubic root of 231303323 is about 613.8476873943.

Adding to 231303323 its reverse (323303132), we get a palindrome (554606455).

The spelling of 231303323 in words is "two hundred thirty-one million, three hundred three thousand, three hundred twenty-three".