12243443 has 2 divisors, whose sum is σ = 12243444. Its totient is φ = 12243442.

The previous prime is 12243431. The next prime is 12243457. The reversal of 12243443 is 34434221.

12243443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12243443 - 2¹² = 12239347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12243403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121721 + 6121722.

It is an arithmetic number, because the mean of its divisors is an integer number (6121722).

Almost surely, 2^12243443 is an apocalyptic number.

12243443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12243443 is an equidigital number, since it uses as much as digits as its factorization.

12243443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 23.

The square root of 12243443 is about 3499.0631603331. The cubic root of 12243443 is about 230.4806771523.

Adding to 12243443 its reverse (34434221), we get a palindrome (46677664).

The spelling of 12243443 in words is "twelve million, two hundred forty-three thousand, four hundred forty-three".