12355338239 has 4 divisors (see below), whose sum is σ = 12618217824. Its totient is φ = 12092458656.

The previous prime is 12355338199. The next prime is 12355338271. The reversal of 12355338239 is 93283355321.

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

It is a cyclic number.

It is not a de Polignac number, because 12355338239 - 2²⁴ = 12338561023 is a prime.

It is a super-2 number, since 2×12355338239² (a number of 21 digits) contains 22 as substring.

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 12355338239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12355338139) 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, 131439722 + ... + 131439815.

It is an arithmetic number, because the mean of its divisors is an integer number (3154554456).

Almost surely, 2^12355338239 is an apocalyptic number.

12355338239 is a deficient number, since it is larger than the sum of its proper divisors (262879585).

12355338239 is an equidigital number, since it uses as much as digits as its factorization.

12355338239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262879584.

The product of its digits is 583200, while the sum is 44.

The spelling of 12355338239 in words is "twelve billion, three hundred fifty-five million, three hundred thirty-eight thousand, two hundred thirty-nine".