231312323 has 16 divisors (see below), whose sum is σ = 261675360. Its totient is φ = 202540800.

The previous prime is 231312317. The next prime is 231312329. The reversal of 231312323 is 323213132.

It is an interprime number because it is at equal distance from previous prime (231312317) and next prime (231312329).

It is not a de Polignac number, because 231312323 - 2⁶ = 231312259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231312295 and 231312304.

It is not an unprimeable number, because it can be changed into a prime (231312329) 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, 210311 + ... + 211407.

It is an arithmetic number, because the mean of its divisors is an integer number (16354710).

Almost surely, 2^231312323 is an apocalyptic number.

231312323 is a deficient number, since it is larger than the sum of its proper divisors (30363037).

231312323 is a wasteful number, since it uses less digits than its factorization.

231312323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798.

The product of its digits is 648, while the sum is 20.

The square root of 231312323 is about 15208.9553553162. The cubic root of 231312323 is about 613.8556488847.

Adding to 231312323 its reverse (323213132), we get a palindrome (554525455).

The spelling of 231312323 in words is "two hundred thirty-one million, three hundred twelve thousand, three hundred twenty-three".