1239323 has 2 divisors, whose sum is σ = 1239324. Its totient is φ = 1239322.

The previous prime is 1239319. The next prime is 1239341. The reversal of 1239323 is 3239321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1239323 - 2² = 1239319 is a prime.

It is not a weakly prime, because it can be changed into another prime (1239353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619661 + 619662.

It is an arithmetic number, because the mean of its divisors is an integer number (619662).

2^1239323 is an apocalyptic number.

1239323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1239323 is an equidigital number, since it uses as much as digits as its factorization.

1239323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 23.

The square root of 1239323 is about 1113.2488490899. The cubic root of 1239323 is about 107.4141517601.

The spelling of 1239323 in words is "one million, two hundred thirty-nine thousand, three hundred twenty-three".