13223243 has 12 divisors (see below), whose sum is σ = 14689584. Its totient is φ = 11893200.

The previous prime is 13223239. The next prime is 13223269. The reversal of 13223243 is 34232231.

13223243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13223243 - 2² = 13223239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13223213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11933 + ... + 12993.

It is an arithmetic number, because the mean of its divisors is an integer number (1224132).

Almost surely, 2^13223243 is an apocalyptic number.

13223243 is a deficient number, since it is larger than the sum of its proper divisors (1466341).

13223243 is a wasteful number, since it uses less digits than its factorization.

13223243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 1175 counting only the distinct ones).

The product of its digits is 864, while the sum is 20.

The square root of 13223243 is about 3636.3777306545. The cubic root of 13223243 is about 236.4717831849.

Adding to 13223243 its reverse (34232231), we get a palindrome (47455474).

The spelling of 13223243 in words is "thirteen million, two hundred twenty-three thousand, two hundred forty-three".