423331255 has 4 divisors (see below), whose sum is σ = 507997512. Its totient is φ = 338665000.

The previous prime is 423331253. The next prime is 423331283. The reversal of 423331255 is 552133324.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 423331255 - 2¹ = 423331253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423331253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42333121 + ... + 42333130.

It is an arithmetic number, because the mean of its divisors is an integer number (126999378).

Almost surely, 2^423331255 is an apocalyptic number.

423331255 is a deficient number, since it is larger than the sum of its proper divisors (84666257).

423331255 is an equidigital number, since it uses as much as digits as its factorization.

423331255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84666256.

The product of its digits is 10800, while the sum is 28.

The square root of 423331255 is about 20575.0153098363. The cubic root of 423331255 is about 750.8619748788.

Adding to 423331255 its reverse (552133324), we get a palindrome (975464579).

The spelling of 423331255 in words is "four hundred twenty-three million, three hundred thirty-one thousand, two hundred fifty-five".