423143 has 4 divisors (see below), whose sum is σ = 483600.
Its totient is φ = 362688.
The previous prime is 423133. The next prime is 423173. The reversal of 423143 is 341324.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 423143 - 24 = 423127 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 (423103) 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, 30218 + ... + 30231.
It is an arithmetic number, because the mean of its divisors is an integer number (120900).
2423143 is an apocalyptic number.
423143 is a deficient number, since it is larger than the sum of its proper divisors (60457).
423143 is an equidigital number, since it uses as much as digits as its factorization.
423143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60456.
The product of its digits is 288, while the sum is 17.
The square root of 423143 is about 650.4944273397.
The cubic root of 423143 is about 75.0750655844.
Adding to 423143 its reverse (341324), we get a palindrome (764467).
The spelling of 423143 in words is "four hundred twenty-three thousand, one hundred forty-three", and thus it is an iban number.