423204 has 12 divisors (see below), whose sum is σ = 987504. Its totient is φ = 141064.

The previous prime is 423191. The next prime is 423209. The reversal of 423204 is 402324.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (423209) 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, 17622 + ... + 17645.

It is an arithmetic number, because the mean of its divisors is an integer number (82292).

2⁴²³²⁰⁴ is an apocalyptic number.

It is an amenable number.

423204 is an abundant number, since it is smaller than the sum of its proper divisors (564300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423204 is a wasteful number, since it uses less digits than its factorization.

423204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35274 (or 35272 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 423204 is about 650.5413130617. The cubic root of 423204 is about 75.0786730008.

Adding to 423204 its reverse (402324), we get a palindrome (825528).

It can be divided in two parts, 42320 and 4, that added together give a palindrome (42324).

The spelling of 423204 in words is "four hundred twenty-three thousand, two hundred four", and thus it is an iban number.