423055 has 8 divisors (see below), whose sum is σ = 511344. Its totient is φ = 336000.

The previous prime is 423053. The next prime is 423061. The reversal of 423055 is 550324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423055 - 2¹ = 423053 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 (423053) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 855 + ... + 1255.

It is an arithmetic number, because the mean of its divisors is an integer number (63918).

2⁴²³⁰⁵⁵ is an apocalyptic number.

423055 is a deficient number, since it is larger than the sum of its proper divisors (88289).

423055 is a wasteful number, since it uses less digits than its factorization.

423055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 423055 is about 650.4267829664. The cubic root of 423055 is about 75.0698608319.

Multiplying 423055 by its sum of digits (19), we get a triangular number (8038045 = T₄₀₀₉).

Adding to 423055 its reverse (550324), we get a palindrome (973379).

The spelling of 423055 in words is "four hundred twenty-three thousand, fifty-five".