423017071 has 4 divisors (see below), whose sum is σ = 423629944. Its totient is φ = 422404200.

The previous prime is 423017047. The next prime is 423017087. The reversal of 423017071 is 170710324.

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 423017071 - 2⁵ = 423017039 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 (423014071) 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, 305400 + ... + 306781.

It is an arithmetic number, because the mean of its divisors is an integer number (105907486).

Almost surely, 2^423017071 is an apocalyptic number.

423017071 is a deficient number, since it is larger than the sum of its proper divisors (612873).

423017071 is an equidigital number, since it uses as much as digits as its factorization.

423017071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612872.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 423017071 is about 20567.3788072277. The cubic root of 423017071 is about 750.6761730183.

Adding to 423017071 its reverse (170710324), we get a palindrome (593727395).

The spelling of 423017071 in words is "four hundred twenty-three million, seventeen thousand, seventy-one".