123339009 has 8 divisors (see below), whose sum is σ = 165635680. Its totient is φ = 81634176.

The previous prime is 123338993. The next prime is 123339017. The reversal of 123339009 is 900933321.

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

It is not a de Polignac number, because 123339009 - 2⁴ = 123338993 is a prime.

It is a super-2 number, since 2×123339009² = 30425022282204162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123339509) 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, 147472 + ... + 148305.

It is an arithmetic number, because the mean of its divisors is an integer number (20704460).

Almost surely, 2^123339009 is an apocalyptic number.

It is an amenable number.

123339009 is a deficient number, since it is larger than the sum of its proper divisors (42296671).

123339009 is a wasteful number, since it uses less digits than its factorization.

123339009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295919.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 123339009 is about 11105.8096958304. The cubic root of 123339009 is about 497.7754628802.

The spelling of 123339009 in words is "one hundred twenty-three million, three hundred thirty-nine thousand, nine".