204328716623 has 2 divisors, whose sum is σ = 204328716624. Its totient is φ = 204328716622.

The previous prime is 204328716611. The next prime is 204328716637. The reversal of 204328716623 is 326617823402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204328716623 - 2¹⁰ = 204328715599 is a prime.

It is a super-3 number, since 3×204328716623³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204328716643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102164358311 + 102164358312.

It is an arithmetic number, because the mean of its divisors is an integer number (102164358312).

Almost surely, 2^204328716623 is an apocalyptic number.

204328716623 is a deficient number, since it is larger than the sum of its proper divisors (1).

204328716623 is an equidigital number, since it uses as much as digits as its factorization.

204328716623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 204328716623 in words is "two hundred four billion, three hundred twenty-eight million, seven hundred sixteen thousand, six hundred twenty-three".