13443432223 has 4 divisors (see below), whose sum is σ = 14477542408. Its totient is φ = 12409322040.

The previous prime is 13443432217. The next prime is 13443432253. The reversal of 13443432223 is 32223434431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32223434431 = 17 ⋅1895496143.

It is a cyclic number.

It is not a de Polignac number, because 13443432223 - 2²¹ = 13441335071 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 (13443432253) 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 3 ways as a sum of consecutive naturals, for example, 517055073 + ... + 517055098.

It is an arithmetic number, because the mean of its divisors is an integer number (3619385602).

Almost surely, 2^13443432223 is an apocalyptic number.

13443432223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13443432223 is a deficient number, since it is larger than the sum of its proper divisors (1034110185).

13443432223 is a wasteful number, since it uses less digits than its factorization.

13443432223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034110184.

The product of its digits is 41472, while the sum is 31.

Adding to 13443432223 its reverse (32223434431), we get a palindrome (45666866654).

The spelling of 13443432223 in words is "thirteen billion, four hundred forty-three million, four hundred thirty-two thousand, two hundred twenty-three".