123339 has 4 divisors (see below), whose sum is σ = 164456. Its totient is φ = 82224.

The previous prime is 123323. The next prime is 123341. The reversal of 123339 is 933321.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 123339 - 2⁴ = 123323 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (123379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20554 + ... + 20559.

It is an arithmetic number, because the mean of its divisors is an integer number (41114).

2¹²³³³⁹ is an apocalyptic number.

123339 is a deficient number, since it is larger than the sum of its proper divisors (41117).

123339 is an equidigital number, since it uses as much as digits as its factorization.

123339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41116.

The product of its digits is 486, while the sum is 21.

The square root of 123339 is about 351.1965261787. The cubic root of 123339 is about 49.7775450773. Note that the first 3 decimals are identical.

The spelling of 123339 in words is "one hundred twenty-three thousand, three hundred thirty-nine".