13545423020343 has 4 divisors (see below), whose sum is σ = 18060564027128. Its totient is φ = 9030282013560.

The previous prime is 13545423020309. The next prime is 13545423020351. The reversal of 13545423020343 is 34302032454531.

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

It is not a de Polignac number, because 13545423020343 - 2¹⁰ = 13545423019319 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 (13545423021343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257570503388 + ... + 2257570503393.

It is an arithmetic number, because the mean of its divisors is an integer number (4515141006782).

Almost surely, 2^{13545423020343} is an apocalyptic number.

13545423020343 is a deficient number, since it is larger than the sum of its proper divisors (4515141006785).

13545423020343 is an equidigital number, since it uses as much as digits as its factorization.

13545423020343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515141006784.

The product of its (nonzero) digits is 518400, while the sum is 39.

Adding to 13545423020343 its reverse (34302032454531), we get a palindrome (47847455474874).

The spelling of 13545423020343 in words is "thirteen trillion, five hundred forty-five billion, four hundred twenty-three million, twenty thousand, three hundred forty-three".