328710523 has 4 divisors (see below), whose sum is σ = 329606560. Its totient is φ = 327814488.

The previous prime is 328710511. The next prime is 328710581. The reversal of 328710523 is 325017823.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325017823 = 13 ⋅25001371.

It is a cyclic number.

It is not a de Polignac number, because 328710523 - 2⁵ = 328710491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328710023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447468 + ... + 448201.

It is an arithmetic number, because the mean of its divisors is an integer number (82401640).

Almost surely, 2^328710523 is an apocalyptic number.

328710523 is a deficient number, since it is larger than the sum of its proper divisors (896037).

328710523 is an equidigital number, since it uses as much as digits as its factorization.

328710523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896036.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 328710523 is about 18130.3756993616. The cubic root of 328710523 is about 690.1410640665.

The spelling of 328710523 in words is "three hundred twenty-eight million, seven hundred ten thousand, five hundred twenty-three".