13424431543223 has 8 divisors (see below), whose sum is σ = 14215434216192. Its totient is φ = 12633576673536.

The previous prime is 13424431543219. The next prime is 13424431543247. The reversal of 13424431543223 is 32234513442431.

It is a happy number.

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 13424431543223 - 2² = 13424431543219 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 (13424431543253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36763790 + ... + 37127147.

It is an arithmetic number, because the mean of its divisors is an integer number (1776929277024).

Almost surely, 2^{13424431543223} is an apocalyptic number.

13424431543223 is a deficient number, since it is larger than the sum of its proper divisors (791002672969).

13424431543223 is a wasteful number, since it uses less digits than its factorization.

13424431543223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73901641.

The product of its digits is 829440, while the sum is 41.

Adding to 13424431543223 its reverse (32234513442431), we get a palindrome (45658944985654).

The spelling of 13424431543223 in words is "thirteen trillion, four hundred twenty-four billion, four hundred thirty-one million, five hundred forty-three thousand, two hundred twenty-three".