328123 has 8 divisors (see below), whose sum is σ = 344736. Its totient is φ = 312000.

The previous prime is 328121. The next prime is 328127. The reversal of 328123 is 321823.

It is a happy number.

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 328123 - 2¹ = 328121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 328123.

It is not an unprimeable number, because it can be changed into a prime (328121) 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, 2098 + ... + 2248.

It is an arithmetic number, because the mean of its divisors is an integer number (43092).

2³²⁸¹²³ is an apocalyptic number.

328123 is a deficient number, since it is larger than the sum of its proper divisors (16613).

328123 is a wasteful number, since it uses less digits than its factorization.

328123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245.

The product of its digits is 288, while the sum is 19.

The square root of 328123 is about 572.8202161237. The cubic root of 328123 is about 68.9729642734.

Adding to 328123 its reverse (321823), we get a palindrome (649946).

The spelling of 328123 in words is "three hundred twenty-eight thousand, one hundred twenty-three".