13311223 has 2 divisors, whose sum is σ = 13311224. Its totient is φ = 13311222.

The previous prime is 13311217. The next prime is 13311239. The reversal of 13311223 is 32211331.

13311223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (13311239) can be obtained adding 13311223 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13311223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13311197 and 13311206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13315223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655611 + 6655612.

It is an arithmetic number, because the mean of its divisors is an integer number (6655612).

Almost surely, 2^13311223 is an apocalyptic number.

13311223 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311223 is an equidigital number, since it uses as much as digits as its factorization.

13311223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 16.

The square root of 13311223 is about 3648.4548784383. The cubic root of 13311223 is about 236.9950742862.

Adding to 13311223 its product of digits (108), we get a palindrome (13311331).

Adding to 13311223 its reverse (32211331), we get a palindrome (45522554).

The spelling of 13311223 in words is "thirteen million, three hundred eleven thousand, two hundred twenty-three".