212311234233 has 24 divisors (see below), whose sum is σ = 350512259136. Its totient is φ = 121310244000.

The previous prime is 212311234231. The next prime is 212311234297. The reversal of 212311234233 is 332432113212.

212311234233 is a `hidden beast` number, since 2 + 1 + 2 + 311 + 2 + 342 + 3 + 3 = 666.

It is not a de Polignac number, because 212311234233 - 2¹ = 212311234231 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212311234197 and 212311234206.

It is not an unprimeable number, because it can be changed into a prime (212311234231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 623118 + ... + 901608.

It is an arithmetic number, because the mean of its divisors is an integer number (14604677464).

Almost surely, 2^212311234233 is an apocalyptic number.

It is an amenable number.

212311234233 is a deficient number, since it is larger than the sum of its proper divisors (138201024903).

212311234233 is a wasteful number, since it uses less digits than its factorization.

212311234233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290605 (or 290602 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 212311234233 its reverse (332432113212), we get a palindrome (544743347445).

The spelling of 212311234233 in words is "two hundred twelve billion, three hundred eleven million, two hundred thirty-four thousand, two hundred thirty-three".