323968 has 16 divisors (see below), whose sum is σ = 645660. Its totient is φ = 161920.

The previous prime is 323957. The next prime is 323987. The reversal of 323968 is 869323.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

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, 1138 + ... + 1393.

2³²³⁹⁶⁸ is an apocalyptic number.

It is an amenable number.

323968 is a deficient number, since it is larger than the sum of its proper divisors (321692).

323968 is an equidigital number, since it uses as much as digits as its factorization.

323968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545 (or 2533 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 323968 is about 569.1818690015. The cubic root of 323968 is about 68.6805933148.

The spelling of 323968 in words is "three hundred twenty-three thousand, nine hundred sixty-eight".