13021320032223 has 16 divisors (see below), whose sum is σ = 17462512604160. Its totient is φ = 8630506014944.

The previous prime is 13021320032209. The next prime is 13021320032269. The reversal of 13021320032223 is 32223002312031.

It is a cyclic number.

It is not a de Polignac number, because 13021320032223 - 2⁶ = 13021320032159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13021320032193 and 13021320032202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021320032423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24775990 + ... + 25296092.

It is an arithmetic number, because the mean of its divisors is an integer number (1091407037760).

Almost surely, 2^{13021320032223} is an apocalyptic number.

13021320032223 is a deficient number, since it is larger than the sum of its proper divisors (4441192571937).

13021320032223 is a wasteful number, since it uses less digits than its factorization.

13021320032223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568518.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 13021320032223 its reverse (32223002312031), we get a palindrome (45244322344254).

The spelling of 13021320032223 in words is "thirteen trillion, twenty-one billion, three hundred twenty million, thirty-two thousand, two hundred twenty-three".