12311240434233 has 32 divisors (see below), whose sum is σ = 17688514018560. Its totient is φ = 7571505715200.

The previous prime is 12311240434217. The next prime is 12311240434237. The reversal of 12311240434233 is 33243404211321.

It is not a de Polignac number, because 12311240434233 - 2⁴ = 12311240434217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12311240434194 and 12311240434203.

It is not an unprimeable number, because it can be changed into a prime (12311240434237) 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 31 ways as a sum of consecutive naturals, for example, 509369373 + ... + 509393541.

It is an arithmetic number, because the mean of its divisors is an integer number (552766063080).

Almost surely, 2^{12311240434233} is an apocalyptic number.

12311240434233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12311240434233 is a deficient number, since it is larger than the sum of its proper divisors (5377273584327).

12311240434233 is a wasteful number, since it uses less digits than its factorization.

12311240434233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31649.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 12311240434233 its reverse (33243404211321), we get a palindrome (45554644645554).

The spelling of 12311240434233 in words is "twelve trillion, three hundred eleven billion, two hundred forty million, four hundred thirty-four thousand, two hundred thirty-three".