423135 has 12 divisors (see below), whose sum is σ = 733512. Its totient is φ = 225648.

The previous prime is 423133. The next prime is 423173. The reversal of 423135 is 531324.

It is not a de Polignac number, because 423135 - 2¹ = 423133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423133) 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 11 ways as a sum of consecutive naturals, for example, 4657 + ... + 4746.

It is an arithmetic number, because the mean of its divisors is an integer number (61126).

2⁴²³¹³⁵ is an apocalyptic number.

423135 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

423135 is a deficient number, since it is larger than the sum of its proper divisors (310377).

423135 is a wasteful number, since it uses less digits than its factorization.

423135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9414 (or 9411 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 423135 is about 650.4882781419. The cubic root of 423135 is about 75.0745924549.

Adding to 423135 its reverse (531324), we get a palindrome (954459).

The spelling of 423135 in words is "four hundred twenty-three thousand, one hundred thirty-five".