423255 has 32 divisors (see below), whose sum is σ = 806400. Its totient is φ = 185472.

The previous prime is 423251. The next prime is 423257. The reversal of 423255 is 552324.

It is not a de Polignac number, because 423255 - 2² = 423251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 423255.

It is not an unprimeable number, because it can be changed into a prime (423251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2976 + ... + 3114.

It is an arithmetic number, because the mean of its divisors is an integer number (25200).

2⁴²³²⁵⁵ is an apocalyptic number.

423255 is a deficient number, since it is larger than the sum of its proper divisors (383145).

423255 is a wasteful number, since it uses less digits than its factorization.

423255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183.

The product of its digits is 1200, while the sum is 21.

The square root of 423255 is about 650.5805100063. The cubic root of 423255 is about 75.0816887714.

Adding to 423255 its reverse (552324), we get a palindrome (975579).

The spelling of 423255 in words is "four hundred twenty-three thousand, two hundred fifty-five".