328523 has 8 divisors (see below), whose sum is σ = 363888. Its totient is φ = 294624.

The previous prime is 328519. The next prime is 328543. The reversal of 328523 is 325823.

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

It is a cyclic number.

It is not a de Polignac number, because 328523 - 2² = 328519 is a prime.

It is a d-powerful number, because it can be written as 3⁴ + 2¹⁶ + 5² + 8 + 2¹⁸ + 3⁶ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328513) 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, 140 + ... + 822.

It is an arithmetic number, because the mean of its divisors is an integer number (45486).

2³²⁸⁵²³ is an apocalyptic number.

328523 is a deficient number, since it is larger than the sum of its proper divisors (35365).

328523 is a wasteful number, since it uses less digits than its factorization.

328523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733.

The product of its digits is 1440, while the sum is 23.

The square root of 328523 is about 573.1692594688. The cubic root of 328523 is about 69.0009801723. Note that the first 3 decimals are identical.

The spelling of 328523 in words is "three hundred twenty-eight thousand, five hundred twenty-three".