1323233239 has 2 divisors, whose sum is σ = 1323233240. Its totient is φ = 1323233238.

The previous prime is 1323233203. The next prime is 1323233243. The reversal of 1323233239 is 9323323231.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1323233239 - 2⁷ = 1323233111 is a prime.

It is a super-2 number, since 2×1323233239² = 3501892409588862242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1323233239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323633239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661616619 + 661616620.

It is an arithmetic number, because the mean of its divisors is an integer number (661616620).

Almost surely, 2^1323233239 is an apocalyptic number.

1323233239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323233239 is an equidigital number, since it uses as much as digits as its factorization.

1323233239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 31.

The square root of 1323233239 is about 36376.2730223974. The cubic root of 1323233239 is about 1097.8562211440.

The spelling of 1323233239 in words is "one billion, three hundred twenty-three million, two hundred thirty-three thousand, two hundred thirty-nine".