123300999 has 24 divisors (see below), whose sum is σ = 187304832. Its totient is φ = 78009360.

The previous prime is 123300979. The next prime is 123301007. The reversal of 123300999 is 999003321.

It is not a de Polignac number, because 123300999 - 2⁸ = 123300743 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123300929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24844 + ... + 29390.

It is an arithmetic number, because the mean of its divisors is an integer number (7804368).

Almost surely, 2^123300999 is an apocalyptic number.

123300999 is a deficient number, since it is larger than the sum of its proper divisors (64003833).

123300999 is a wasteful number, since it uses less digits than its factorization.

123300999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4707 (or 4704 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 36.

The square root of 123300999 is about 11104.0982974756. The cubic root of 123300999 is about 497.7243236410.

The spelling of 123300999 in words is "one hundred twenty-three million, three hundred thousand, nine hundred ninety-nine".