328609223 has 2 divisors, whose sum is σ = 328609224. Its totient is φ = 328609222.

The previous prime is 328609189. The next prime is 328609249. The reversal of 328609223 is 322906823.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328609223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328689223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164304611 + 164304612.

It is an arithmetic number, because the mean of its divisors is an integer number (164304612).

Almost surely, 2^328609223 is an apocalyptic number.

328609223 is a deficient number, since it is larger than the sum of its proper divisors (1).

328609223 is an equidigital number, since it uses as much as digits as its factorization.

328609223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 328609223 is about 18127.5818299077. The cubic root of 328609223 is about 690.0701622975.

The spelling of 328609223 in words is "three hundred twenty-eight million, six hundred nine thousand, two hundred twenty-three".