123331112 has 16 divisors (see below), whose sum is σ = 231495840. Its totient is φ = 61598896.

The previous prime is 123331057. The next prime is 123331133. The reversal of 123331112 is 211133321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23 + ... + 15705.

It is an arithmetic number, because the mean of its divisors is an integer number (14468490).

Almost surely, 2^123331112 is an apocalyptic number.

It is an amenable number.

123331112 is a deficient number, since it is larger than the sum of its proper divisors (108164728).

123331112 is a wasteful number, since it uses less digits than its factorization.

123331112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16672 (or 16668 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 123331112 is about 11105.4541555040. The cubic root of 123331112 is about 497.7648389996.

Adding to 123331112 its reverse (211133321), we get a palindrome (334464433).

The spelling of 123331112 in words is "one hundred twenty-three million, three hundred thirty-one thousand, one hundred twelve".