308323 has 2 divisors, whose sum is σ = 308324. Its totient is φ = 308322.

The previous prime is 308317. The next prime is 308327. The reversal of 308323 is 323803.

It is a strong prime.

It is an emirp because it is prime and its reverse (323803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 308323 - 2⁵ = 308291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 308323.

It is not a weakly prime, because it can be changed into another prime (308327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154161 + 154162.

It is an arithmetic number, because the mean of its divisors is an integer number (154162).

2³⁰⁸³²³ is an apocalyptic number.

308323 is a deficient number, since it is larger than the sum of its proper divisors (1).

308323 is an equidigital number, since it uses as much as digits as its factorization.

308323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 308323 is about 555.2684035671. The cubic root of 308323 is about 67.5567332812.

The spelling of 308323 in words is "three hundred eight thousand, three hundred twenty-three".