328872823 has 2 divisors, whose sum is σ = 328872824. Its totient is φ = 328872822.

The previous prime is 328872799. The next prime is 328872839. The reversal of 328872823 is 328278823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 328872823 - 2¹³ = 328864631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 328872823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328872853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164436411 + 164436412.

It is an arithmetic number, because the mean of its divisors is an integer number (164436412).

Almost surely, 2^328872823 is an apocalyptic number.

328872823 is a deficient number, since it is larger than the sum of its proper divisors (1).

328872823 is an equidigital number, since it uses as much as digits as its factorization.

328872823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 43.

The square root of 328872823 is about 18134.8510608717. The cubic root of 328872823 is about 690.2546305199.

The spelling of 328872823 in words is "three hundred twenty-eight million, eight hundred seventy-two thousand, eight hundred twenty-three".