123323112112 has 20 divisors (see below), whose sum is σ = 241304260896. Its totient is φ = 61051044800.

The previous prime is 123323112091. The next prime is 123323112113. The reversal of 123323112112 is 211211323321.

It is a super-2 number, since 2×123323112112² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123323112113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38155288 + ... + 38158519.

Almost surely, 2^123323112112 is an apocalyptic number.

It is an amenable number.

123323112112 is a deficient number, since it is larger than the sum of its proper divisors (117981148784).

123323112112 is a wasteful number, since it uses less digits than its factorization.

123323112112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76313916 (or 76313910 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 123323112112 its reverse (211211323321), we get a palindrome (334534435433).

The spelling of 123323112112 in words is "one hundred twenty-three billion, three hundred twenty-three million, one hundred twelve thousand, one hundred twelve".