7173223 has 4 divisors (see below), whose sum is σ = 7178760. Its totient is φ = 7167688.

The previous prime is 7173209. The next prime is 7173233. The reversal of 7173223 is 3223717.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3223717 = 7 ⋅460531.

It is a cyclic number.

It is not a de Polignac number, because 7173223 - 2⁵ = 7173191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7173233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336 + ... + 3802.

It is an arithmetic number, because the mean of its divisors is an integer number (1794690).

Almost surely, 2^7173223 is an apocalyptic number.

7173223 is a deficient number, since it is larger than the sum of its proper divisors (5537).

7173223 is a wasteful number, since it uses less digits than its factorization.

7173223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536.

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

The square root of 7173223 is about 2678.2873258857. The cubic root of 7173223 is about 192.8582007650.

It can be divided in two parts, 71732 and 23, that multiplied together give a triangular number (1649836 = T₁₈₁₆).

The spelling of 7173223 in words is "seven million, one hundred seventy-three thousand, two hundred twenty-three".