123340112 has 40 divisors (see below), whose sum is σ = 274065792. Its totient is φ = 52675200.

The previous prime is 123340111. The next prime is 123340157. The reversal of 123340112 is 211043321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123340111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33062 + ... + 36602.

Almost surely, 2^123340112 is an apocalyptic number.

It is an amenable number.

123340112 is an abundant number, since it is smaller than the sum of its proper divisors (150725680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123340112 is a wasteful number, since it uses less digits than its factorization.

123340112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867 (or 3861 counting only the distinct ones).

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

The square root of 123340112 is about 11105.8593544129. The cubic root of 123340112 is about 497.7769467165.

Adding to 123340112 its reverse (211043321), we get a palindrome (334383433).

The spelling of 123340112 in words is "one hundred twenty-three million, three hundred forty thousand, one hundred twelve".