243104332543 has 2 divisors, whose sum is σ = 243104332544. Its totient is φ = 243104332542.

The previous prime is 243104332531. The next prime is 243104332553. The reversal of 243104332543 is 345233401342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243104332543 - 2³³ = 234514397951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243104332499 and 243104332508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243104332553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121552166271 + 121552166272.

It is an arithmetic number, because the mean of its divisors is an integer number (121552166272).

Almost surely, 2^243104332543 is an apocalyptic number.

243104332543 is a deficient number, since it is larger than the sum of its proper divisors (1).

243104332543 is an equidigital number, since it uses as much as digits as its factorization.

243104332543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 243104332543 its reverse (345233401342), we get a palindrome (588337733885).

The spelling of 243104332543 in words is "two hundred forty-three billion, one hundred four million, three hundred thirty-two thousand, five hundred forty-three".