423170303 has 2 divisors, whose sum is σ = 423170304. Its totient is φ = 423170302.

The previous prime is 423170287. The next prime is 423170323. The reversal of 423170303 is 303071324.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423170303 - 2⁴ = 423170287 is a prime.

It is a super-2 number, since 2×423170303² = 358146210682223618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423170323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211585151 + 211585152.

It is an arithmetic number, because the mean of its divisors is an integer number (211585152).

Almost surely, 2^423170303 is an apocalyptic number.

423170303 is a deficient number, since it is larger than the sum of its proper divisors (1).

423170303 is an equidigital number, since it uses as much as digits as its factorization.

423170303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 423170303 is about 20571.1035921751. The cubic root of 423170303 is about 750.7668027139.

The spelling of 423170303 in words is "four hundred twenty-three million, one hundred seventy thousand, three hundred three".