423131173 has 8 divisors (see below), whose sum is σ = 448201728. Its totient is φ = 398080704.

The previous prime is 423131153. The next prime is 423131209. The reversal of 423131173 is 371131324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 423131173 - 2¹³ = 423122981 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 (423131153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74140 + ... + 79642.

It is an arithmetic number, because the mean of its divisors is an integer number (56025216).

Almost surely, 2^423131173 is an apocalyptic number.

It is an amenable number.

423131173 is a deficient number, since it is larger than the sum of its proper divisors (25070555).

423131173 is a wasteful number, since it uses less digits than its factorization.

423131173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10043.

The product of its digits is 1512, while the sum is 25.

The square root of 423131173 is about 20570.1524787737. The cubic root of 423131173 is about 750.7436611951.

Adding to 423131173 its reverse (371131324), we get a palindrome (794262497).

The spelling of 423131173 in words is "four hundred twenty-three million, one hundred thirty-one thousand, one hundred seventy-three".