423585 has 12 divisors (see below), whose sum is σ = 734292. Its totient is φ = 225888.

The previous prime is 423581. The next prime is 423587. The reversal of 423585 is 585324.

It can be written as a sum of positive squares in 2 ways, for example, as 331776 + 91809 = 576^2 + 303^2 .

It is not a de Polignac number, because 423585 - 2² = 423581 is a prime.

It is a d-powerful number, because it can be written as 4⁷ + 2¹⁴ + 5³ + 3 + 8² + 5⁸ .

423585 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 423585.

It is not an unprimeable number, because it can be changed into a prime (423581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4662 + ... + 4751.

It is an arithmetic number, because the mean of its divisors is an integer number (61191).

2⁴²³⁵⁸⁵ is an apocalyptic number.

423585 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

423585 is a deficient number, since it is larger than the sum of its proper divisors (310707).

423585 is a wasteful number, since it uses less digits than its factorization.

423585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9424 (or 9421 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 423585 is about 650.8340802386. The cubic root of 423585 is about 75.1011967282.

The spelling of 423585 in words is "four hundred twenty-three thousand, five hundred eighty-five".