243310234405 has 16 divisors (see below), whose sum is σ = 334226980224. Its totient is φ = 166569117120.

The previous prime is 243310234351. The next prime is 243310234411. The reversal of 243310234405 is 504432013342.

It is a happy number.

243310234405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-243310234405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5648791 + ... + 5691700.

It is an arithmetic number, because the mean of its divisors is an integer number (20889186264).

Almost surely, 2^243310234405 is an apocalyptic number.

It is an amenable number.

243310234405 is a deficient number, since it is larger than the sum of its proper divisors (90916745819).

243310234405 is a wasteful number, since it uses less digits than its factorization.

243310234405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11341116.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 243310234405 its reverse (504432013342), we get a palindrome (747742247747).

The spelling of 243310234405 in words is "two hundred forty-three billion, three hundred ten million, two hundred thirty-four thousand, four hundred five".