328545823 has 8 divisors (see below), whose sum is σ = 347948928. Its totient is φ = 309569304.

The previous prime is 328545803. The next prime is 328545863.

328545823 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328545823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328545803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105061 + ... + 108142.

It is an arithmetic number, because the mean of its divisors is an integer number (43493616).

Almost surely, 2^328545823 is an apocalyptic number.

328545823 is a deficient number, since it is larger than the sum of its proper divisors (19403105).

328545823 is a wasteful number, since it uses less digits than its factorization.

328545823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213293.

The product of its digits is 230400, while the sum is 40.

The square root of 328545823 is about 18125.8330291328. The cubic root of 328545823 is about 690.0257800352.

The spelling of 328545823 in words is "three hundred twenty-eight million, five hundred forty-five thousand, eight hundred twenty-three".