123383899 has 16 divisors (see below), whose sum is σ = 129153024. Its totient is φ = 117784800.

The previous prime is 123383879. The next prime is 123383921. The reversal of 123383899 is 998383321.

It is a cyclic number.

It is not a de Polignac number, because 123383899 - 2⁵ = 123383867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123383839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645894 + ... + 646084.

It is an arithmetic number, because the mean of its divisors is an integer number (8072064).

Almost surely, 2^123383899 is an apocalyptic number.

123383899 is a deficient number, since it is larger than the sum of its proper divisors (5769125).

123383899 is a wasteful number, since it uses less digits than its factorization.

123383899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its digits is 279936, while the sum is 46.

The square root of 123383899 is about 11107.8305262549. The cubic root of 123383899 is about 497.8358450480.

The spelling of 123383899 in words is "one hundred twenty-three million, three hundred eighty-three thousand, eight hundred ninety-nine".