123312044 has 12 divisors (see below), whose sum is σ = 215964168. Its totient is φ = 61608000.

The previous prime is 123312037. The next prime is 123312053. The reversal of 123312044 is 440213321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5882 + ... + 16769.

It is an arithmetic number, because the mean of its divisors is an integer number (17997014).

Almost surely, 2^123312044 is an apocalyptic number.

It is an amenable number.

123312044 is a deficient number, since it is larger than the sum of its proper divisors (92652124).

123312044 is a wasteful number, since it uses less digits than its factorization.

123312044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24016 (or 24014 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 123312044 is about 11104.5956252355. The cubic root of 123312044 is about 497.7391848372.

Adding to 123312044 its reverse (440213321), we get a palindrome (563525365).

The spelling of 123312044 in words is "one hundred twenty-three million, three hundred twelve thousand, forty-four".