172901323 has 8 divisors (see below), whose sum is σ = 202197248. Its totient is φ = 144754344.

The previous prime is 172901321. The next prime is 172901341. The reversal of 172901323 is 323109271.

172901323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 172901323 - 2¹ = 172901321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 172901291 and 172901300.

It is not an unprimeable number, because it can be changed into a prime (172901321) 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, 286911 + ... + 287512.

It is an arithmetic number, because the mean of its divisors is an integer number (25274656).

Almost surely, 2^172901323 is an apocalyptic number.

172901323 is a deficient number, since it is larger than the sum of its proper divisors (29295925).

172901323 is an equidigital number, since it uses as much as digits as its factorization.

172901323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574473.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 172901323 is about 13149.1947662205. The cubic root of 172901323 is about 557.0995044348.

The spelling of 172901323 in words is "one hundred seventy-two million, nine hundred one thousand, three hundred twenty-three".