123282809 has 8 divisors (see below), whose sum is σ = 133080192. Its totient is φ = 113530320.

The previous prime is 123282791. The next prime is 123282851. The reversal of 123282809 is 908282321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123282809 - 2²⁴ = 106505593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123282899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5399 + ... + 16604.

It is an arithmetic number, because the mean of its divisors is an integer number (16635024).

Almost surely, 2^123282809 is an apocalyptic number.

It is an amenable number.

123282809 is a deficient number, since it is larger than the sum of its proper divisors (9797383).

123282809 is a wasteful number, since it uses less digits than its factorization.

123282809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22447.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 123282809 is about 11103.2792003083. The cubic root of 123282809 is about 497.6998468166.

The spelling of 123282809 in words is "one hundred twenty-three million, two hundred eighty-two thousand, eight hundred nine".