328621223 has 8 divisors (see below), whose sum is σ = 375889440. Its totient is φ = 281433600.

The previous prime is 328621219. The next prime is 328621259. The reversal of 328621223 is 322126823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 328621223 - 2² = 328621219 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 (328627223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11138 + ... + 27951.

It is an arithmetic number, because the mean of its divisors is an integer number (46986180).

Almost surely, 2^328621223 is an apocalyptic number.

328621223 is a deficient number, since it is larger than the sum of its proper divisors (47268217).

328621223 is a wasteful number, since it uses less digits than its factorization.

328621223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40297.

The product of its digits is 6912, while the sum is 29.

The square root of 328621223 is about 18127.9128142211. The cubic root of 328621223 is about 690.0785620832.

The spelling of 328621223 in words is "three hundred twenty-eight million, six hundred twenty-one thousand, two hundred twenty-three".