423171481009 has 6 divisors (see below), whose sum is σ = 446615884770. Its totient is φ = 400899297456.

The previous prime is 423171480967. The next prime is 423171481013. The reversal of 423171481009 is 900184171324.

It can be written as a sum of positive squares in only one way, i.e., 412298831025 + 10872649984 = 642105^2 + 104272^2 .

It is not a de Polignac number, because 423171481009 - 2⁹ = 423171480497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423171481039) 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, 586109724 + ... + 586110445.

It is an arithmetic number, because the mean of its divisors is an integer number (74435980795).

Almost surely, 2^423171481009 is an apocalyptic number.

It is an amenable number.

423171481009 is a deficient number, since it is larger than the sum of its proper divisors (23444403761).

423171481009 is a wasteful number, since it uses less digits than its factorization.

423171481009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172220207 (or 1172220188 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 423171481009 in words is "four hundred twenty-three billion, one hundred seventy-one million, four hundred eighty-one thousand, nine".