1323341647 has 4 divisors (see below), whose sum is σ = 1324480680. Its totient is φ = 1322202616.

The previous prime is 1323341633. The next prime is 1323341687. The reversal of 1323341647 is 7461433231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1323341647 - 2¹⁹ = 1322817359 is a prime.

It is a super-2 number, since 2×1323341647² = 3502466229369345218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323341627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567772 + ... + 570097.

It is an arithmetic number, because the mean of its divisors is an integer number (331120170).

Almost surely, 2^1323341647 is an apocalyptic number.

1323341647 is a deficient number, since it is larger than the sum of its proper divisors (1139033).

1323341647 is a wasteful number, since it uses less digits than its factorization.

1323341647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139032.

The product of its digits is 36288, while the sum is 34.

The square root of 1323341647 is about 36377.7630840600. The cubic root of 1323341647 is about 1097.8862015344.

Adding to 1323341647 its reverse (7461433231), we get a palindrome (8784774878).

The spelling of 1323341647 in words is "one billion, three hundred twenty-three million, three hundred forty-one thousand, six hundred forty-seven".