243434343013 has 16 divisors (see below), whose sum is σ = 251078256000. Its totient is φ = 235884519360.

The previous prime is 243434343007. The next prime is 243434343071. The reversal of 243434343013 is 310343434342.

243434343013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 243434343013 - 2²⁵ = 243400788581 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 243434343013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243434343413) by changing a digit.

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, 5237008 + ... + 5283286.

It is an arithmetic number, because the mean of its divisors is an integer number (15692391000).

Almost surely, 2^243434343013 is an apocalyptic number.

It is an amenable number.

243434343013 is a deficient number, since it is larger than the sum of its proper divisors (7643912987).

243434343013 is a wasteful number, since it uses less digits than its factorization.

243434343013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47292.

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 243434343013 its reverse (310343434342), we get a palindrome (553777777355).

The spelling of 243434343013 in words is "two hundred forty-three billion, four hundred thirty-four million, three hundred forty-three thousand, thirteen".