13523412443 has 8 divisors (see below), whose sum is σ = 14090386800. Its totient is φ = 12963148128.

The previous prime is 13523412401. The next prime is 13523412449. The reversal of 13523412443 is 34421432531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13523412443 - 2²⁰ = 13522363867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13523412449) 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 in 7 ways as a sum of consecutive naturals, for example, 1673396 + ... + 1681457.

It is an arithmetic number, because the mean of its divisors is an integer number (1761298350).

Almost surely, 2^13523412443 is an apocalyptic number.

13523412443 is a deficient number, since it is larger than the sum of its proper divisors (566974357).

13523412443 is a wasteful number, since it uses less digits than its factorization.

13523412443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355021.

The product of its digits is 34560, while the sum is 32.

Adding to 13523412443 its reverse (34421432531), we get a palindrome (47944844974).

The spelling of 13523412443 in words is "thirteen billion, five hundred twenty-three million, four hundred twelve thousand, four hundred forty-three".