328065623 has 2 divisors, whose sum is σ = 328065624. Its totient is φ = 328065622.

The previous prime is 328065607. The next prime is 328065671. The reversal of 328065623 is 326560823.

It is a weak prime.

It is an emirp because it is prime and its reverse (326560823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 328065623 - 2⁴ = 328065607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328065223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164032811 + 164032812.

It is an arithmetic number, because the mean of its divisors is an integer number (164032812).

Almost surely, 2^328065623 is an apocalyptic number.

328065623 is a deficient number, since it is larger than the sum of its proper divisors (1).

328065623 is an equidigital number, since it uses as much as digits as its factorization.

328065623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 328065623 is about 18112.5818976754. The cubic root of 328065623 is about 689.6894373592.

The spelling of 328065623 in words is "three hundred twenty-eight million, sixty-five thousand, six hundred twenty-three".