13502221203023 has 32 divisors (see below), whose sum is σ = 16397539368960. Its totient is φ = 10870332762240.

The previous prime is 13502221202909. The next prime is 13502221203041. The reversal of 13502221203023 is 32030212220531.

It is a de Polignac number, because none of the positive numbers 2^k-13502221203023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13502221202983 and 13502221203001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13502221203923) 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, 43340990 + ... + 43651412.

It is an arithmetic number, because the mean of its divisors is an integer number (512423105280).

Almost surely, 2^{13502221203023} is an apocalyptic number.

13502221203023 is a deficient number, since it is larger than the sum of its proper divisors (2895318165937).

13502221203023 is a wasteful number, since it uses less digits than its factorization.

13502221203023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316287.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13502221203023 its reverse (32030212220531), we get a palindrome (45532433423554).

The spelling of 13502221203023 in words is "thirteen trillion, five hundred two billion, two hundred twenty-one million, two hundred three thousand, twenty-three".