13403232221443 has 8 divisors (see below), whose sum is σ = 13433425171200. Its totient is φ = 13373040791040.

The previous prime is 13403232221429. The next prime is 13403232221461. The reversal of 13403232221443 is 34412223230431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13403232221443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13403232221399 and 13403232221408.

It is not an unprimeable number, because it can be changed into a prime (13403232221843) 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, 18318238 + ... + 19035868.

It is an arithmetic number, because the mean of its divisors is an integer number (1679178146400).

Almost surely, 2^{13403232221443} is an apocalyptic number.

13403232221443 is a deficient number, since it is larger than the sum of its proper divisors (30192949757).

13403232221443 is an equidigital number, since it uses as much as digits as its factorization.

13403232221443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759677.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 13403232221443 its reverse (34412223230431), we get a palindrome (47815455451874).

The spelling of 13403232221443 in words is "thirteen trillion, four hundred three billion, two hundred thirty-two million, two hundred twenty-one thousand, four hundred forty-three".