13443320223 has 32 divisors (see below), whose sum is σ = 20534281920. Its totient is φ = 8685895680.

The previous prime is 13443320213. The next prime is 13443320291. The reversal of 13443320223 is 32202334431.

13443320223 is a `hidden beast` number, since 1 + 3 + 4 + 433 + 2 + 0 + 223 = 666.

It is not a de Polignac number, because 13443320223 - 2⁴ = 13443320207 is a prime.

It is a super-3 number, since 3×13443320223³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443320213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230563 + ... + 282923.

It is an arithmetic number, because the mean of its divisors is an integer number (641696310).

Almost surely, 2^13443320223 is an apocalyptic number.

13443320223 is a deficient number, since it is larger than the sum of its proper divisors (7090961697).

13443320223 is a wasteful number, since it uses less digits than its factorization.

13443320223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52664 (or 52658 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 13443320223 its reverse (32202334431), we get a palindrome (45645654654).

The spelling of 13443320223 in words is "thirteen billion, four hundred forty-three million, three hundred twenty thousand, two hundred twenty-three".