423170031 has 16 divisors (see below), whose sum is σ = 589605120. Its totient is φ = 269459520.

The previous prime is 423170021. The next prime is 423170039. The reversal of 423170031 is 130071324.

It is not a de Polignac number, because 423170031 - 2¹⁵ = 423137263 is a prime.

It is a super-2 number, since 2×423170031² = 358145750273081922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423170039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48480 + ... + 56538.

It is an arithmetic number, because the mean of its divisors is an integer number (36850320).

Almost surely, 2^423170031 is an apocalyptic number.

423170031 is a deficient number, since it is larger than the sum of its proper divisors (166435089).

423170031 is a wasteful number, since it uses less digits than its factorization.

423170031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8846.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 423170031 is about 20571.0969809585. The cubic root of 423170031 is about 750.7666418578.

The spelling of 423170031 in words is "four hundred twenty-three million, one hundred seventy thousand, thirty-one".