328190223 has 4 divisors (see below), whose sum is σ = 437586968. Its totient is φ = 218793480.

The previous prime is 328190221. The next prime is 328190263. The reversal of 328190223 is 322091823.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322091823 = 3 ⋅107363941.

It is not a de Polignac number, because 328190223 - 2¹ = 328190221 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 (328190221) 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, 54698368 + ... + 54698373.

It is an arithmetic number, because the mean of its divisors is an integer number (109396742).

Almost surely, 2^328190223 is an apocalyptic number.

328190223 is a deficient number, since it is larger than the sum of its proper divisors (109396745).

328190223 is a wasteful number, since it uses less digits than its factorization.

328190223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109396744.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 328190223 is about 18116.0211691199. The cubic root of 328190223 is about 689.7767414642.

The spelling of 328190223 in words is "three hundred twenty-eight million, one hundred ninety thousand, two hundred twenty-three".