423603 has 16 divisors (see below), whose sum is σ = 650400. Its totient is φ = 272160.

The previous prime is 423601. The next prime is 423617. The reversal of 423603 is 306324.

It is not a de Polignac number, because 423603 - 2¹ = 423601 is a prime.

It is a super-3 number, since 3×423603³ = 228033333600231681, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (423601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513 + ... + 1053.

It is an arithmetic number, because the mean of its divisors is an integer number (40650).

2⁴²³⁶⁰³ is an apocalyptic number.

423603 is a deficient number, since it is larger than the sum of its proper divisors (226797).

423603 is a wasteful number, since it uses less digits than its factorization.

423603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 423603 is about 650.8479085009. The cubic root of 423603 is about 75.1022605071.

Adding to 423603 its reverse (306324), we get a palindrome (729927).

The spelling of 423603 in words is "four hundred twenty-three thousand, six hundred three".