423166201 has 4 divisors (see below), whose sum is σ = 423450000. Its totient is φ = 422882404.

The previous prime is 423166199. The next prime is 423166217. The reversal of 423166201 is 102661324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423166201 - 2¹ = 423166199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423166241) 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 3 ways as a sum of consecutive naturals, for example, 139651 + ... + 142648.

It is an arithmetic number, because the mean of its divisors is an integer number (105862500).

Almost surely, 2^423166201 is an apocalyptic number.

It is an amenable number.

423166201 is a deficient number, since it is larger than the sum of its proper divisors (283799).

423166201 is a wasteful number, since it uses less digits than its factorization.

423166201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283798.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 423166201 is about 20571.0038889695. The cubic root of 423166201 is about 750.7643768542.

The spelling of 423166201 in words is "four hundred twenty-three million, one hundred sixty-six thousand, two hundred one".