231123312333 has 16 divisors (see below), whose sum is σ = 351659095360. Its totient is φ = 149917823568.

The previous prime is 231123312239. The next prime is 231123312361. The reversal of 231123312333 is 333213321132.

231123312333 is a `hidden beast` number, since 2 + 3 + 1 + 12 + 3 + 312 + 333 = 666.

It is not a de Polignac number, because 231123312333 - 2¹² = 231123308237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231123312297 and 231123312306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231123310333) 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, 115676335 + ... + 115678332.

It is an arithmetic number, because the mean of its divisors is an integer number (21978693460).

Almost surely, 2^231123312333 is an apocalyptic number.

It is an amenable number.

231123312333 is a deficient number, since it is larger than the sum of its proper divisors (120535783027).

231123312333 is a wasteful number, since it uses less digits than its factorization.

231123312333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231354713 (or 231354707 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 231123312333 its reverse (333213321132), we get a palindrome (564336633465).

The spelling of 231123312333 in words is "two hundred thirty-one billion, one hundred twenty-three million, three hundred twelve thousand, three hundred thirty-three".