13213220223 has 16 divisors (see below), whose sum is σ = 20136324096. Its totient is φ = 7549701600.

The previous prime is 13213220221. The next prime is 13213220227. The reversal of 13213220223 is 32202231231.

It is a happy number.

It is not a de Polignac number, because 13213220223 - 2¹ = 13213220221 is a prime.

It is a super-2 number, since 2×13213220223² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 13213220223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213220221) 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, 269290 + ... + 314552.

It is an arithmetic number, because the mean of its divisors is an integer number (1258520256).

Almost surely, 2^13213220223 is an apocalyptic number.

13213220223 is a deficient number, since it is larger than the sum of its proper divisors (6923103873).

13213220223 is a wasteful number, since it uses less digits than its factorization.

13213220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59174.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13213220223 its reverse (32202231231), we get a palindrome (45415451454).

The spelling of 13213220223 in words is "thirteen billion, two hundred thirteen million, two hundred twenty thousand, two hundred twenty-three".