323172 has 36 divisors (see below), whose sum is σ = 838656. Its totient is φ = 104880.

The previous prime is 323149. The next prime is 323201. The reversal of 323172 is 271323.

323172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 323172.

It is an unprimeable number.

323172 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1597 + ... + 1787.

It is an arithmetic number, because the mean of its divisors is an integer number (23296).

2³²³¹⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419328).

323172 is an abundant number, since it is smaller than the sum of its proper divisors (515484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323172 is a wasteful number, since it uses less digits than its factorization.

323172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 243 counting only the distinct ones).

The product of its digits is 252, while the sum is 18.

The square root of 323172 is about 568.4821896946. The cubic root of 323172 is about 68.6242970257.

Adding to 323172 its reverse (271323), we get a palindrome (594495).

The spelling of 323172 in words is "three hundred twenty-three thousand, one hundred seventy-two", and thus it is an iban number.