233123113231311 has 32 divisors (see below), whose sum is σ = 323152373007360. Its totient is φ = 149308963179264.

The previous prime is 233123113231297. The next prime is 233123113231343. The reversal of 233123113231311 is 113132311321332.

It is not a de Polignac number, because 233123113231311 - 2⁵ = 233123113231279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233123113231711) 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, 25358286 + ... + 33305988.

It is an arithmetic number, because the mean of its divisors is an integer number (10098511656480).

Almost surely, 2^{233123113231311} is an apocalyptic number.

233123113231311 is a deficient number, since it is larger than the sum of its proper divisors (90029259776049).

233123113231311 is a wasteful number, since it uses less digits than its factorization.

233123113231311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7949415.

The product of its digits is 5832, while the sum is 30.

Adding to 233123113231311 its reverse (113132311321332), we get a palindrome (346255424552643).

The spelling of 233123113231311 in words is "two hundred thirty-three trillion, one hundred twenty-three billion, one hundred thirteen million, two hundred thirty-one thousand, three hundred eleven".