423473 has 4 divisors (see below), whose sum is σ = 429348. Its totient is φ = 417600.

The previous prime is 423469. The next prime is 423481. The reversal of 423473 is 374324.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 351649 + 71824 = 593^2 + 268^2 .

It is a cyclic number.

It is not a de Polignac number, because 423473 - 2² = 423469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2828 + ... + 2973.

It is an arithmetic number, because the mean of its divisors is an integer number (107337).

2⁴²³⁴⁷³ is an apocalyptic number.

It is an amenable number.

423473 is a deficient number, since it is larger than the sum of its proper divisors (5875).

423473 is an equidigital number, since it uses as much as digits as its factorization.

423473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5874.

The product of its digits is 2016, while the sum is 23.

The square root of 423473 is about 650.7480311150. The cubic root of 423473 is about 75.0945769821.

Adding to 423473 its reverse (374324), we get a palindrome (797797).

The spelling of 423473 in words is "four hundred twenty-three thousand, four hundred seventy-three", and thus it is an iban number.