231312323223 has 6 divisors (see below), whose sum is σ = 334117800224. Its totient is φ = 154208215476.

The previous prime is 231312323197. The next prime is 231312323269. The reversal of 231312323223 is 322323213132.

231312323223 is a `hidden beast` number, since 2 + 3 + 1 + 312 + 323 + 2 + 23 = 666.

It is not a de Polignac number, because 231312323223 - 2¹² = 231312319127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231312323623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12850684615 + ... + 12850684632.

Almost surely, 2^231312323223 is an apocalyptic number.

231312323223 is a deficient number, since it is larger than the sum of its proper divisors (102805477001).

231312323223 is a wasteful number, since it uses less digits than its factorization.

231312323223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25701369253 (or 25701369250 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 231312323223 its reverse (322323213132), we get a palindrome (553635536355).

The spelling of 231312323223 in words is "two hundred thirty-one billion, three hundred twelve million, three hundred twenty-three thousand, two hundred twenty-three".