423523271 has 6 divisors (see below), whose sum is σ = 437627016. Its totient is φ = 409860300.

The previous prime is 423523267. The next prime is 423523273. The reversal of 423523271 is 172325324.

It is not a de Polignac number, because 423523271 - 2² = 423523267 is a prime.

It is a super-2 number, since 2×423523271² = 358743922157078882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423523273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219395 + ... + 221316.

It is an arithmetic number, because the mean of its divisors is an integer number (72937836).

Almost surely, 2^423523271 is an apocalyptic number.

423523271 is a deficient number, since it is larger than the sum of its proper divisors (14103745).

423523271 is an equidigital number, since it uses as much as digits as its factorization.

423523271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440773 (or 440742 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 423523271 is about 20579.6810227953. The cubic root of 423523271 is about 750.9754838767.

Adding to 423523271 its reverse (172325324), we get a palindrome (595848595).

The spelling of 423523271 in words is "four hundred twenty-three million, five hundred twenty-three thousand, two hundred seventy-one".