13424505220323 has 16 divisors (see below), whose sum is σ = 20111618311200. Its totient is φ = 8849112053760.

The previous prime is 13424505220309. The next prime is 13424505220369. The reversal of 13424505220323 is 32302250542431.

13424505220323 is a `hidden beast` number, since 1 + 3 + 424 + 5 + 0 + 5 + 2 + 203 + 23 = 666.

It is not a de Polignac number, because 13424505220323 - 2¹⁰ = 13424505219299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13424505220123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2793277918 + ... + 2793282723.

It is an arithmetic number, because the mean of its divisors is an integer number (1256976144450).

Almost surely, 2^{13424505220323} is an apocalyptic number.

13424505220323 is a deficient number, since it is larger than the sum of its proper divisors (6687113090877).

13424505220323 is an equidigital number, since it uses as much as digits as its factorization.

13424505220323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586560739 (or 5586560733 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 13424505220323 its reverse (32302250542431), we get a palindrome (45726755762754).

The spelling of 13424505220323 in words is "thirteen trillion, four hundred twenty-four billion, five hundred five million, two hundred twenty thousand, three hundred twenty-three".