423580 has 12 divisors (see below), whose sum is σ = 889560. Its totient is φ = 169424.

The previous prime is 423559. The next prime is 423581. The reversal of 423580 is 85324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423581) 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 3 ways as a sum of consecutive naturals, for example, 10570 + ... + 10609.

It is an arithmetic number, because the mean of its divisors is an integer number (74130).

2⁴²³⁵⁸⁰ is an apocalyptic number.

It is an amenable number.

423580 is an abundant number, since it is smaller than the sum of its proper divisors (465980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423580 is a wasteful number, since it uses less digits than its factorization.

423580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21188 (or 21186 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 423580 is about 650.8302390025. The cubic root of 423580 is about 75.1009012287.

The spelling of 423580 in words is "four hundred twenty-three thousand, five hundred eighty".