423441 has 8 divisors (see below), whose sum is σ = 627360. Its totient is φ = 282276.

The previous prime is 423439. The next prime is 423457. The reversal of 423441 is 144324.

It is not a de Polignac number, because 423441 - 2¹ = 423439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7815 + ... + 7868.

It is an arithmetic number, because the mean of its divisors is an integer number (78420).

2⁴²³⁴⁴¹ is an apocalyptic number.

It is an amenable number.

423441 is a deficient number, since it is larger than the sum of its proper divisors (203919).

423441 is a wasteful number, since it uses less digits than its factorization.

423441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15692 (or 15686 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 423441 is about 650.7234435611. The cubic root of 423441 is about 75.0926854117.

Adding to 423441 its reverse (144324), we get a palindrome (567765).

The spelling of 423441 in words is "four hundred twenty-three thousand, four hundred forty-one", and thus it is an iban number.