328345543 has 2 divisors, whose sum is σ = 328345544. Its totient is φ = 328345542.

The previous prime is 328345529. The next prime is 328345553. The reversal of 328345543 is 345543823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 328345543 - 2²⁵ = 294791111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328345553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164172771 + 164172772.

It is an arithmetic number, because the mean of its divisors is an integer number (164172772).

Almost surely, 2^328345543 is an apocalyptic number.

328345543 is a deficient number, since it is larger than the sum of its proper divisors (1).

328345543 is an equidigital number, since it uses as much as digits as its factorization.

328345543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 37.

The square root of 328345543 is about 18120.3074753162. The cubic root of 328345543 is about 689.8855393698.

The spelling of 328345543 in words is "three hundred twenty-eight million, three hundred forty-five thousand, five hundred forty-three".