172275717323 has 4 divisors (see below), whose sum is σ = 181342860360. Its totient is φ = 163208574288.

The previous prime is 172275717311. The next prime is 172275717329. The reversal of 172275717323 is 323717572271.

172275717323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 172275717323 - 2⁶ = 172275717259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172275717329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4533571490 + ... + 4533571527.

It is an arithmetic number, because the mean of its divisors is an integer number (45335715090).

Almost surely, 2^172275717323 is an apocalyptic number.

172275717323 is a deficient number, since it is larger than the sum of its proper divisors (9067143037).

172275717323 is an equidigital number, since it uses as much as digits as its factorization.

172275717323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9067143036.

The product of its digits is 864360, while the sum is 47.

The spelling of 172275717323 in words is "one hundred seventy-two billion, two hundred seventy-five million, seven hundred seventeen thousand, three hundred twenty-three".