423164 has 36 divisors (see below), whose sum is σ = 919296. Its totient is φ = 169344.

The previous prime is 423133. The next prime is 423173. The reversal of 423164 is 461324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

423164 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3269 + ... + 3395.

It is an arithmetic number, because the mean of its divisors is an integer number (25536).

2⁴²³¹⁶⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459648).

423164 is an abundant number, since it is smaller than the sum of its proper divisors (496132).

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

423164 is a wasteful number, since it uses less digits than its factorization.

423164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 153 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 423164 is about 650.5105687074. The cubic root of 423164 is about 75.0763075210.

Adding to 423164 its reverse (461324), we get a palindrome (884488).

The spelling of 423164 in words is "four hundred twenty-three thousand, one hundred sixty-four".