423000171 has 64 divisors (see below), whose sum is σ = 729216000. Its totient is φ = 239500800.

The previous prime is 423000167. The next prime is 423000187. The reversal of 423000171 is 171000324.

It is not a de Polignac number, because 423000171 - 2² = 423000167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423000101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1004541 + ... + 1004961.

It is an arithmetic number, because the mean of its divisors is an integer number (11394000).

Almost surely, 2^423000171 is an apocalyptic number.

423000171 is a deficient number, since it is larger than the sum of its proper divisors (306215829).

423000171 is a wasteful number, since it uses less digits than its factorization.

423000171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 423000171 is about 20566.9679583550. The cubic root of 423000171 is about 750.6661761040. Note that the first 3 decimals are identical.

Adding to 423000171 its reverse (171000324), we get a palindrome (594000495).

The spelling of 423000171 in words is "four hundred twenty-three million, one hundred seventy-one", and thus it is an aban number.