32173223 has 4 divisors (see below), whose sum is σ = 32184768. Its totient is φ = 32161680.

The previous prime is 32173201. The next prime is 32173237. The reversal of 32173223 is 32237123.

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: 32237123 = 359 ⋅89797.

It is a cyclic number.

It is not a de Polignac number, because 32173223 - 2¹² = 32169127 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 (32173243) 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, 1283 + ... + 8123.

It is an arithmetic number, because the mean of its divisors is an integer number (8046192).

Almost surely, 2^32173223 is an apocalyptic number.

32173223 is a deficient number, since it is larger than the sum of its proper divisors (11545).

32173223 is an equidigital number, since it uses as much as digits as its factorization.

32173223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11544.

The product of its digits is 1512, while the sum is 23.

The square root of 32173223 is about 5672.1444798242. The cubic root of 32173223 is about 318.0520430889.

The spelling of 32173223 in words is "thirty-two million, one hundred seventy-three thousand, two hundred twenty-three".