243144234343 has 4 divisors (see below), whose sum is σ = 243169210120. Its totient is φ = 243119258568.

The previous prime is 243144234313. The next prime is 243144234367. The reversal of 243144234343 is 343432441342.

243144234343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243144234343 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 (243144234313) 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 3 ways as a sum of consecutive naturals, for example, 12473280 + ... + 12492757.

It is an arithmetic number, because the mean of its divisors is an integer number (60792302530).

Almost surely, 2^243144234343 is an apocalyptic number.

243144234343 is a deficient number, since it is larger than the sum of its proper divisors (24975777).

243144234343 is an equidigital number, since it uses as much as digits as its factorization.

243144234343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24975776.

The product of its digits is 331776, while the sum is 37.

Adding to 243144234343 its reverse (343432441342), we get a palindrome (586576675685).

The spelling of 243144234343 in words is "two hundred forty-three billion, one hundred forty-four million, two hundred thirty-four thousand, three hundred forty-three".