231123133333233 has 16 divisors (see below), whose sum is σ = 342405399235200. Its totient is φ = 154081748121840.

The previous prime is 231123133333207. The next prime is 231123133333247. The reversal of 231123133333233 is 332333331321132.

231123133333233 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 2 + 313 + 3 + 3 + 332 + 3 + 3 = 666.

231123133333233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231123133333233 - 2³⁷ = 230985694379761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231123133333033) 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, 3280803 + ... + 21748791.

It is an arithmetic number, because the mean of its divisors is an integer number (21400337452200).

Almost surely, 2^{231123133333233} is an apocalyptic number.

It is an amenable number.

231123133333233 is a deficient number, since it is larger than the sum of its proper divisors (111282265901967).

231123133333233 is a wasteful number, since it uses less digits than its factorization.

231123133333233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18931509 (or 18931503 counting only the distinct ones).

The product of its digits is 157464, while the sum is 36.

Adding to 231123133333233 its reverse (332333331321132), we get a palindrome (563456464654365).

The spelling of 231123133333233 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, one hundred thirty-three million, three hundred thirty-three thousand, two hundred thirty-three".