423270 has 24 divisors (see below), whose sum is σ = 1100736.
Its totient is φ = 112848.
The previous prime is 423259. The next prime is 423277. The reversal of 423270 is 72324.
Adding to 423270 its reverse (72324), we get a palindrome (495594).
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (423277) by changing a digit.
423270 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
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 11 ways as a sum of consecutive naturals, for example, 2262 + ... + 2441.
It is an arithmetic number, because the mean of its divisors is an integer number (45864).
2423270 is an apocalyptic number.
423270 is an abundant number, since it is smaller than the sum of its proper divisors (677466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
423270 is a wasteful number, since it uses less digits than its factorization.
423270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4716 (or 4713 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 18.
The square root of 423270 is about 650.5920380699.
The cubic root of 423270 is about 75.0825757166.
The spelling of 423270 in words is "four hundred twenty-three thousand, two hundred seventy", and thus it is an iban number.