13243202030543 has 4 divisors (see below), whose sum is σ = 13524972286560. Its totient is φ = 12961431774528.

The previous prime is 13243202030459. The next prime is 13243202030621. The reversal of 13243202030543 is 34503020234231.

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-13243202030543 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 (13243202030143) 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 in 3 ways as a sum of consecutive naturals, for example, 140885127938 + ... + 140885128031.

It is an arithmetic number, because the mean of its divisors is an integer number (3381243071640).

Almost surely, 2^{13243202030543} is an apocalyptic number.

13243202030543 is a deficient number, since it is larger than the sum of its proper divisors (281770256017).

13243202030543 is an equidigital number, since it uses as much as digits as its factorization.

13243202030543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281770256016.

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 13243202030543 its reverse (34503020234231), we get a palindrome (47746222264774).

The spelling of 13243202030543 in words is "thirteen trillion, two hundred forty-three billion, two hundred two million, thirty thousand, five hundred forty-three".