243113454343 has 2 divisors, whose sum is σ = 243113454344. Its totient is φ = 243113454342.

The previous prime is 243113454317. The next prime is 243113454371. The reversal of 243113454343 is 343454311342.

243113454343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243113454343 - 2¹³ = 243113446151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243113454313) 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 as a sum of consecutive naturals, namely, 121556727171 + 121556727172.

It is an arithmetic number, because the mean of its divisors is an integer number (121556727172).

Almost surely, 2^243113454343 is an apocalyptic number.

243113454343 is a deficient number, since it is larger than the sum of its proper divisors (1).

243113454343 is an equidigital number, since it uses as much as digits as its factorization.

243113454343 is an odious number, because the sum of its binary digits is odd.

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

Adding to 243113454343 its reverse (343454311342), we get a palindrome (586567765685).

The spelling of 243113454343 in words is "two hundred forty-three billion, one hundred thirteen million, four hundred fifty-four thousand, three hundred forty-three".