13203221221223 has 24 divisors (see below), whose sum is σ = 14975360328240. Its totient is φ = 11543938703360.

The previous prime is 13203221221219. The next prime is 13203221221247. The reversal of 13203221221223 is 32212212230231.

13203221221223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13203221221223 - 2² = 13203221221219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13203221221192 and 13203221221201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13203221221123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399188 + ... + 5154201.

It is an arithmetic number, because the mean of its divisors is an integer number (623973347010).

Almost surely, 2^{13203221221223} is an apocalyptic number.

13203221221223 is a deficient number, since it is larger than the sum of its proper divisors (1772139107017).

13203221221223 is a wasteful number, since it uses less digits than its factorization.

13203221221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553715 (or 5553686 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13203221221223 its reverse (32212212230231), we get a palindrome (45415433451454).

The spelling of 13203221221223 in words is "thirteen trillion, two hundred three billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred twenty-three".