231213033023 has 12 divisors (see below), whose sum is σ = 268974339192. Its totient is φ = 198173581200.

The previous prime is 231213033011. The next prime is 231213033031. The reversal of 231213033023 is 320330312132.

It is not a de Polignac number, because 231213033023 - 2⁸ = 231213032767 is a prime.

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 231213033023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231213033523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1122761 + ... + 1312637.

It is an arithmetic number, because the mean of its divisors is an integer number (22414528266).

Almost surely, 2^231213033023 is an apocalyptic number.

231213033023 is a deficient number, since it is larger than the sum of its proper divisors (37761306169).

231213033023 is a wasteful number, since it uses less digits than its factorization.

231213033023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214742 (or 214735 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 231213033023 its reverse (320330312132), we get a palindrome (551543345155).

The spelling of 231213033023 in words is "two hundred thirty-one billion, two hundred thirteen million, thirty-three thousand, twenty-three".