172383271 has 4 divisors (see below), whose sum is σ = 172411200. Its totient is φ = 172355344.

The previous prime is 172383269. The next prime is 172383287.

It is a happy number.

172383271 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 172383271 - 2¹ = 172383269 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 (172383571) 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, 151 + ... + 18568.

It is an arithmetic number, because the mean of its divisors is an integer number (43102800).

Almost surely, 2^172383271 is an apocalyptic number.

172383271 is a deficient number, since it is larger than the sum of its proper divisors (27929).

172383271 is an equidigital number, since it uses as much as digits as its factorization.

172383271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27928.

The product of its digits is 14112, while the sum is 34.

The square root of 172383271 is about 13129.4809874572. The cubic root of 172383271 is about 556.5425485327.

The spelling of 172383271 in words is "one hundred seventy-two million, three hundred eighty-three thousand, two hundred seventy-one".