423020 has 24 divisors (see below), whose sum is σ = 957264. Its totient is φ = 156096.

The previous prime is 423019. The next prime is 423043. The reversal of 423020 is 20324.

It is a junction number, because it is equal to n+sod(n) for n = 422992 and 423010.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 423020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554 + ... + 1073.

It is an arithmetic number, because the mean of its divisors is an integer number (39886).

2⁴²³⁰²⁰ is an apocalyptic number.

It is an amenable number.

423020 is an abundant number, since it is smaller than the sum of its proper divisors (534244).

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

423020 is a wasteful number, since it uses less digits than its factorization.

423020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 423020 is about 650.3998769988. The cubic root of 423020 is about 75.0677905593.

Adding to 423020 its reverse (20324), we get a palindrome (443344).

The spelling of 423020 in words is "four hundred twenty-three thousand, twenty", and thus it is an iban number.