9403423 has 4 divisors (see below), whose sum is σ = 9898360. Its totient is φ = 8908488.

The previous prime is 9403411. The next prime is 9403451. The reversal of 9403423 is 3243049.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9403423 is a prime.

It is the 3067-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9403463) by changing a digit.

It is a nontrivial repunit in base 3066.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247440 + ... + 247477.

It is an arithmetic number, because the mean of its divisors is an integer number (2474590).

Almost surely, 2^9403423 is an apocalyptic number.

9403423 is a deficient number, since it is larger than the sum of its proper divisors (494937).

9403423 is a wasteful number, since it uses less digits than its factorization.

9403423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494936.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 9403423 is about 3066.5001222893. The cubic root of 9403423 is about 211.0710436630.

The spelling of 9403423 in words is "nine million, four hundred three thousand, four hundred twenty-three".