423470 has 32 divisors (see below), whose sum is σ = 839808. Its totient is φ = 153088.

The previous prime is 423469. The next prime is 423481. The reversal of 423470 is 74324.

It is a happy number.

423470 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable 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 15 ways as a sum of consecutive naturals, for example, 7964 + ... + 8016.

It is an arithmetic number, because the mean of its divisors is an integer number (26244).

2⁴²³⁴⁷⁰ is an apocalyptic number.

423470 is a deficient number, since it is larger than the sum of its proper divisors (416338).

423470 is a wasteful number, since it uses less digits than its factorization.

423470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 423470 is about 650.7457260713. The cubic root of 423470 is about 75.0943996514.

Adding to 423470 its reverse (74324), we get a palindrome (497794).

The spelling of 423470 in words is "four hundred twenty-three thousand, four hundred seventy", and thus it is an iban number.