9400423 has 4 divisors (see below), whose sum is σ = 9600480. Its totient is φ = 9200368.

The previous prime is 9400397. The next prime is 9400463. The reversal of 9400423 is 3240049.

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-9400423 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

9400423 is a modest number, since divided by 423 gives 94 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 9400394 and 9400403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9400463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99958 + ... + 100051.

It is an arithmetic number, because the mean of its divisors is an integer number (2400120).

Almost surely, 2^9400423 is an apocalyptic number.

9400423 is a deficient number, since it is larger than the sum of its proper divisors (200057).

9400423 is a wasteful number, since it uses less digits than its factorization.

9400423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200056.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 9400423 is about 3066.0109262689. The cubic root of 9400423 is about 211.0485950830.

The spelling of 9400423 in words is "nine million, four hundred thousand, four hundred twenty-three".