328068623 has 4 divisors (see below), whose sum is σ = 328116120. Its totient is φ = 328021128.

The previous prime is 328068607. The next prime is 328068641. The reversal of 328068623 is 326860823.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 328068623 - 2⁴ = 328068607 is a prime.

It is a super-2 number, since 2×328068623² = 215258042794232258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328068683) 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 in 3 ways as a sum of consecutive naturals, for example, 11165 + ... + 27942.

It is an arithmetic number, because the mean of its divisors is an integer number (82029030).

Almost surely, 2^328068623 is an apocalyptic number.

328068623 is a deficient number, since it is larger than the sum of its proper divisors (47497).

328068623 is an equidigital number, since it uses as much as digits as its factorization.

328068623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47496.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 328068623 is about 18112.6647128466. The cubic root of 328068623 is about 689.6915396439.

The spelling of 328068623 in words is "three hundred twenty-eight million, sixty-eight thousand, six hundred twenty-three".