423471 has 4 divisors (see below), whose sum is σ = 564632. Its totient is φ = 282312.

The previous prime is 423469. The next prime is 423481. The reversal of 423471 is 174324.

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

It is not a de Polignac number, because 423471 - 2¹ = 423469 is a prime.

It is a super-3 number, since 3×423471³ = 227820225893148333, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 70576 + ... + 70581.

It is an arithmetic number, because the mean of its divisors is an integer number (141158).

2⁴²³⁴⁷¹ is an apocalyptic number.

423471 is a deficient number, since it is larger than the sum of its proper divisors (141161).

423471 is a wasteful number, since it uses less digits than its factorization.

423471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141160.

The product of its digits is 672, while the sum is 21.

The square root of 423471 is about 650.7464944201. The cubic root of 423471 is about 75.0944587617.

Adding to 423471 its reverse (174324), we get a palindrome (597795).

The spelling of 423471 in words is "four hundred twenty-three thousand, four hundred seventy-one", and thus it is an iban number.