12843423 has 6 divisors (see below), whose sum is σ = 18551624. Its totient is φ = 8562276.

The previous prime is 12843421. The next prime is 12843451. The reversal of 12843423 is 32434821.

It is not a de Polignac number, because 12843423 - 2¹ = 12843421 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12843421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 713515 + ... + 713532.

Almost surely, 2^12843423 is an apocalyptic number.

12843423 is a deficient number, since it is larger than the sum of its proper divisors (5708201).

12843423 is a wasteful number, since it uses less digits than its factorization.

12843423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427053 (or 1427050 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 12843423 is about 3583.7721746785. The cubic root of 12843423 is about 234.1856405447.

The spelling of 12843423 in words is "twelve million, eight hundred forty-three thousand, four hundred twenty-three".