233223312311 has 12 divisors (see below), whose sum is σ = 262605412272. Its totient is φ = 206849940000.

The previous prime is 233223312277. The next prime is 233223312319. The reversal of 233223312311 is 113213322332.

It is not a de Polignac number, because 233223312311 - 2²² = 233219118007 is a prime.

It is a super-2 number, since 2×233223312311² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233223312319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23500715 + ... + 23510636.

It is an arithmetic number, because the mean of its divisors is an integer number (21883784356).

Almost surely, 2^233223312311 is an apocalyptic number.

233223312311 is a deficient number, since it is larger than the sum of its proper divisors (29382099961).

233223312311 is a wasteful number, since it uses less digits than its factorization.

233223312311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47011414 (or 47011403 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

Adding to 233223312311 its reverse (113213322332), we get a palindrome (346436634643).

The spelling of 233223312311 in words is "two hundred thirty-three billion, two hundred twenty-three million, three hundred twelve thousand, three hundred eleven".