423071 has 4 divisors (see below), whose sum is σ = 461544. Its totient is φ = 384600.

The previous prime is 423067. The next prime is 423083. The reversal of 423071 is 170324.

It is a happy number.

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 423071 - 2² = 423067 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 (423001) 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, 19220 + ... + 19241.

It is an arithmetic number, because the mean of its divisors is an integer number (115386).

2⁴²³⁰⁷¹ is an apocalyptic number.

423071 is a deficient number, since it is larger than the sum of its proper divisors (38473).

423071 is a wasteful number, since it uses less digits than its factorization.

423071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38472.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 423071 is about 650.4390824666. The cubic root of 423071 is about 75.0708072042.

Adding to 423071 its reverse (170324), we get a palindrome (593395).

It can be divided in two parts, 42 and 3071, that added together give a palindrome (3113).

The spelling of 423071 in words is "four hundred twenty-three thousand, seventy-one", and thus it is an iban number.