233131123112 has 32 divisors (see below), whose sum is σ = 444857529600. Its totient is φ = 114505363200.

The previous prime is 233131123103. The next prime is 233131123123. The reversal of 233131123112 is 211321131332.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460937 + ... + 823847.

It is an arithmetic number, because the mean of its divisors is an integer number (13901797800).

Almost surely, 2^233131123112 is an apocalyptic number.

It is an amenable number.

233131123112 is a deficient number, since it is larger than the sum of its proper divisors (211726406488).

233131123112 is a wasteful number, since it uses less digits than its factorization.

233131123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364337 (or 364333 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

Adding to 233131123112 its reverse (211321131332), we get a palindrome (444452254444).

The spelling of 233131123112 in words is "two hundred thirty-three billion, one hundred thirty-one million, one hundred twenty-three thousand, one hundred twelve".