243104239 has 6 divisors (see below), whose sum is σ = 282794784. Its totient is φ = 208375020.

The previous prime is 243104237. The next prime is 243104243. The reversal of 243104239 is 932401342.

It is not a de Polignac number, because 243104239 - 2¹ = 243104237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243104237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2480607 + ... + 2480704.

It is an arithmetic number, because the mean of its divisors is an integer number (47132464).

Almost surely, 2^243104239 is an apocalyptic number.

243104239 is a deficient number, since it is larger than the sum of its proper divisors (39690545).

243104239 is an equidigital number, since it uses as much as digits as its factorization.

243104239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4961325 (or 4961318 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 243104239 is about 15591.8003771213. The cubic root of 243104239 is about 624.1143629079.

The spelling of 243104239 in words is "two hundred forty-three million, one hundred four thousand, two hundred thirty-nine".