123399116 has 6 divisors (see below), whose sum is σ = 215948460. Its totient is φ = 61699556.

The previous prime is 123399109. The next prime is 123399131. The reversal of 123399116 is 611993321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15424886 + ... + 15424893.

It is an arithmetic number, because the mean of its divisors is an integer number (35991410).

Almost surely, 2^123399116 is an apocalyptic number.

It is an amenable number.

123399116 is a deficient number, since it is larger than the sum of its proper divisors (92549344).

123399116 is a wasteful number, since it uses less digits than its factorization.

123399116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30849783 (or 30849781 counting only the distinct ones).

The product of its digits is 8748, while the sum is 35.

The square root of 123399116 is about 11108.5154723752. The cubic root of 123399116 is about 497.8563103240.

The spelling of 123399116 in words is "one hundred twenty-three million, three hundred ninety-nine thousand, one hundred sixteen".