12339023 has 4 divisors (see below), whose sum is σ = 12737088. Its totient is φ = 11940960.

The previous prime is 12338993. The next prime is 12339031. The reversal of 12339023 is 32093321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32093321 = 13 ⋅2468717.

It is a cyclic number.

It is not a de Polignac number, because 12339023 - 2¹⁰ = 12337999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12339023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12339043) 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, 198986 + ... + 199047.

It is an arithmetic number, because the mean of its divisors is an integer number (3184272).

Almost surely, 2^12339023 is an apocalyptic number.

12339023 is a deficient number, since it is larger than the sum of its proper divisors (398065).

12339023 is an equidigital number, since it uses as much as digits as its factorization.

12339023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398064.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 12339023 is about 3512.6945497723. The cubic root of 12339023 is about 231.0788821261.

The spelling of 12339023 in words is "twelve million, three hundred thirty-nine thousand, twenty-three".