243113503343 has 2 divisors, whose sum is σ = 243113503344. Its totient is φ = 243113503342.

The previous prime is 243113503331. The next prime is 243113503417. The reversal of 243113503343 is 343305311342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243113503343 - 2¹⁰ = 243113502319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243113503313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121556751671 + 121556751672.

It is an arithmetic number, because the mean of its divisors is an integer number (121556751672).

Almost surely, 2^243113503343 is an apocalyptic number.

243113503343 is a deficient number, since it is larger than the sum of its proper divisors (1).

243113503343 is an equidigital number, since it uses as much as digits as its factorization.

243113503343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 32.

Adding to 243113503343 its reverse (343305311342), we get a palindrome (586418814685).

The spelling of 243113503343 in words is "two hundred forty-three billion, one hundred thirteen million, five hundred three thousand, three hundred forty-three".