423434 has 16 divisors (see below), whose sum is σ = 730080. Its totient is φ = 182160.

The previous prime is 423431. The next prime is 423439. The reversal of 423434 is 434324.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (423431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89 + ... + 924.

It is an arithmetic number, because the mean of its divisors is an integer number (45630).

2⁴²³⁴³⁴ is an apocalyptic number.

423434 is a deficient number, since it is larger than the sum of its proper divisors (306646).

423434 is a wasteful number, since it uses less digits than its factorization.

423434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045.

The product of its digits is 1152, while the sum is 20.

The square root of 423434 is about 650.7180649098. The cubic root of 423434 is about 75.0922716179.

Adding to 423434 its reverse (434324), we get a palindrome (857758).

The spelling of 423434 in words is "four hundred twenty-three thousand, four hundred thirty-four".