1323213559 has 2 divisors, whose sum is σ = 1323213560. Its totient is φ = 1323213558.

The previous prime is 1323213553. The next prime is 1323213601. The reversal of 1323213559 is 9553123231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323213559 - 2⁷ = 1323213431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323213553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661606779 + 661606780.

It is an arithmetic number, because the mean of its divisors is an integer number (661606780).

Almost surely, 2^1323213559 is an apocalyptic number.

1323213559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323213559 is an equidigital number, since it uses as much as digits as its factorization.

1323213559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 34.

The square root of 1323213559 is about 36376.0025153947. The cubic root of 1323213559 is about 1097.8507784357.

The spelling of 1323213559 in words is "one billion, three hundred twenty-three million, two hundred thirteen thousand, five hundred fifty-nine".