172353 has 8 divisors (see below), whose sum is σ = 233248. Its totient is φ = 113184.

The previous prime is 172351. The next prime is 172357. The reversal of 172353 is 353271.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172353 - 2¹ = 172351 is a prime.

It is a d-powerful number, because it can be written as 1 + 7⁴ + 3² + 2¹⁵ + 5⁷ + 3¹⁰ .

It is a Duffinian number.

172353 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (172351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175 + ... + 612.

It is an arithmetic number, because the mean of its divisors is an integer number (29156).

2¹⁷²³⁵³ is an apocalyptic number.

It is an amenable number.

172353 is a deficient number, since it is larger than the sum of its proper divisors (60895).

172353 is an equidigital number, since it uses as much as digits as its factorization.

172353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863.

The product of its digits is 630, while the sum is 21.

The square root of 172353 is about 415.1541882241. The cubic root of 172353 is about 55.6509969800.

It can be divided in two parts, 1723 and 53, that multiplied together give a palindrome (91319).

The spelling of 172353 in words is "one hundred seventy-two thousand, three hundred fifty-three".