423315 has 24 divisors (see below), whose sum is σ = 767520. Its totient is φ = 215424.

The previous prime is 423307. The next prime is 423323. The reversal of 423315 is 513324.

It is an interprime number because it is at equal distance from previous prime (423307) and next prime (423323).

It is not a de Polignac number, because 423315 - 2³ = 423307 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 831 + ... + 1239.

It is an arithmetic number, because the mean of its divisors is an integer number (31980).

2⁴²³³¹⁵ is an apocalyptic number.

423315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

423315 is a deficient number, since it is larger than the sum of its proper divisors (344205).

423315 is a wasteful number, since it uses less digits than its factorization.

423315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 440 counting only the distinct ones).

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

The square root of 423315 is about 650.6266210354. The cubic root of 423315 is about 75.0852364267.

Adding to 423315 its reverse (513324), we get a palindrome (936639).

Subtracting 423315 from its reverse (513324), we obtain a palindrome (90009).

The spelling of 423315 in words is "four hundred twenty-three thousand, three hundred fifteen".