13211123223 has 8 divisors (see below), whose sum is σ = 17622707200. Its totient is φ = 8803477368.

The previous prime is 13211123221. The next prime is 13211123227. The reversal of 13211123223 is 32232111231.

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

It is not a de Polignac number, because 13211123223 - 2¹ = 13211123221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13211123223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211123221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 976693 + ... + 990126.

It is an arithmetic number, because the mean of its divisors is an integer number (2202838400).

Almost surely, 2^13211123223 is an apocalyptic number.

13211123223 is a deficient number, since it is larger than the sum of its proper divisors (4411583977).

13211123223 is a wasteful number, since it uses less digits than its factorization.

13211123223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969061.

The product of its digits is 432, while the sum is 21.

Adding to 13211123223 its reverse (32232111231), we get a palindrome (45443234454).

The spelling of 13211123223 in words is "thirteen billion, two hundred eleven million, one hundred twenty-three thousand, two hundred twenty-three".