123232112 has 20 divisors (see below), whose sum is σ = 239370096. Its totient is φ = 61459200.

The previous prime is 123232051. The next prime is 123232117. The reversal of 123232112 is 211232321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123232117) 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, 3188 + ... + 16019.

Almost surely, 2^123232112 is an apocalyptic number.

It is an amenable number.

123232112 is a deficient number, since it is larger than the sum of its proper divisors (116137984).

123232112 is a wasteful number, since it uses less digits than its factorization.

123232112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19616 (or 19610 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 123232112 is about 11100.9959913514. The cubic root of 123232112 is about 497.6316152202.

Adding to 123232112 its reverse (211232321), we get a palindrome (334464433).

The spelling of 123232112 in words is "one hundred twenty-three million, two hundred thirty-two thousand, one hundred twelve".