13043223 has 12 divisors (see below), whose sum is σ = 18873400. Its totient is φ = 8680176.

The previous prime is 13043221. The next prime is 13043279. The reversal of 13043223 is 32234031.

It is not a de Polignac number, because 13043223 - 2¹ = 13043221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13043196 and 13043205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13043221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6828 + ... + 8526.

Almost surely, 2^13043223 is an apocalyptic number.

13043223 is a deficient number, since it is larger than the sum of its proper divisors (5830177).

13043223 is a wasteful number, since it uses less digits than its factorization.

13043223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558 (or 2555 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13043223 is about 3611.5402531330. The cubic root of 13043223 is about 235.3937746956.

Adding to 13043223 its reverse (32234031), we get a palindrome (45277254).

The spelling of 13043223 in words is "thirteen million, forty-three thousand, two hundred twenty-three".