231342323 has 2 divisors, whose sum is σ = 231342324. Its totient is φ = 231342322.

The previous prime is 231342289. The next prime is 231342337. The reversal of 231342323 is 323243132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231342323 - 2⁶ = 231342259 is a prime.

It is a super-2 number, since 2×231342323² = 107038540822072658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231342373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115671161 + 115671162.

It is an arithmetic number, because the mean of its divisors is an integer number (115671162).

Almost surely, 2^231342323 is an apocalyptic number.

231342323 is a deficient number, since it is larger than the sum of its proper divisors (1).

231342323 is an equidigital number, since it uses as much as digits as its factorization.

231342323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 23.

The square root of 231342323 is about 15209.9415843717. The cubic root of 231342323 is about 613.8821856945.

Adding to 231342323 its reverse (323243132), we get a palindrome (554585455).

The spelling of 231342323 in words is "two hundred thirty-one million, three hundred forty-two thousand, three hundred twenty-three".