9843423 has 4 divisors (see below), whose sum is σ = 13124568. Its totient is φ = 6562280.

The previous prime is 9843419. The next prime is 9843437. The reversal of 9843423 is 3243489.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3243489 = 3 ⋅1081163.

It is a cyclic number.

It is not a de Polignac number, because 9843423 - 2² = 9843419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9843473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640568 + ... + 1640573.

It is an arithmetic number, because the mean of its divisors is an integer number (3281142).

Almost surely, 2^9843423 is an apocalyptic number.

9843423 is a deficient number, since it is larger than the sum of its proper divisors (3281145).

9843423 is a wasteful number, since it uses less digits than its factorization.

9843423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281144.

The product of its digits is 20736, while the sum is 33.

The square root of 9843423 is about 3137.4229871026. The cubic root of 9843423 is about 214.3130989129.

The spelling of 9843423 in words is "nine million, eight hundred forty-three thousand, four hundred twenty-three".