243344311345 has 8 divisors (see below), whose sum is σ = 301432953600. Its totient is φ = 188395595760.

The previous prime is 243344311319. The next prime is 243344311429. The reversal of 243344311345 is 543113443342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243344311345 - 2²³ = 243335922737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784981495 + ... + 784981804.

It is an arithmetic number, because the mean of its divisors is an integer number (37679119200).

Almost surely, 2^243344311345 is an apocalyptic number.

It is an amenable number.

243344311345 is a deficient number, since it is larger than the sum of its proper divisors (58088642255).

243344311345 is a wasteful number, since it uses less digits than its factorization.

243344311345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569963335.

The product of its digits is 207360, while the sum is 37.

Adding to 243344311345 its reverse (543113443342), we get a palindrome (786457754687).

It can be divided in two parts, 24334431 and 1345, that added together give a triangular number (24335776 = T₆₉₇₆).

The spelling of 243344311345 in words is "two hundred forty-three billion, three hundred forty-four million, three hundred eleven thousand, three hundred forty-five".