327823 has 2 divisors, whose sum is σ = 327824. Its totient is φ = 327822.

The previous prime is 327809. The next prime is 327827. The reversal of 327823 is 328723.

It is a happy number.

It is a strong prime.

327823 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 327823 - 2⁹ = 327311 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁵ + 2³ + 8 + 7⁶ + 2¹⁵ + 3¹¹ .

327823 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163911 + 163912.

It is an arithmetic number, because the mean of its divisors is an integer number (163912).

2³²⁷⁸²³ is an apocalyptic number.

327823 is a deficient number, since it is larger than the sum of its proper divisors (1).

327823 is an equidigital number, since it uses as much as digits as its factorization.

327823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 327823 is about 572.5582939754. The cubic root of 327823 is about 68.9519374038.

Subtracting 327823 from its reverse (328723), we obtain a square (900 = 30²).

It can be divided in two parts, 32782 and 3, that multiplied together give a triangular number (98346 = T₄₄₃).

The spelling of 327823 in words is "three hundred twenty-seven thousand, eight hundred twenty-three".