7172323 has 4 divisors (see below), whose sum is σ = 7270648. Its totient is φ = 7074000.

The previous prime is 7172311. The next prime is 7172327. The reversal of 7172323 is 3232717.

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 7172323 - 2⁹ = 7171811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7172327) 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, 49053 + ... + 49198.

It is an arithmetic number, because the mean of its divisors is an integer number (1817662).

Almost surely, 2^7172323 is an apocalyptic number.

7172323 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

7172323 is a deficient number, since it is larger than the sum of its proper divisors (98325).

7172323 is an equidigital number, since it uses as much as digits as its factorization.

7172323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98324.

The product of its digits is 1764, while the sum is 25.

The square root of 7172323 is about 2678.1193027944. The cubic root of 7172323 is about 192.8501346725.

The spelling of 7172323 in words is "seven million, one hundred seventy-two thousand, three hundred twenty-three".