1323865343 has 4 divisors (see below), whose sum is σ = 1323949008. Its totient is φ = 1323781680.

The previous prime is 1323865321. The next prime is 1323865357. The reversal of 1323865343 is 3435683231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1323865343 - 2¹⁰ = 1323864319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323865297 and 1323865306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323865043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10046 + ... + 52427.

It is an arithmetic number, because the mean of its divisors is an integer number (330987252).

Almost surely, 2^1323865343 is an apocalyptic number.

1323865343 is a deficient number, since it is larger than the sum of its proper divisors (83665).

1323865343 is an equidigital number, since it uses as much as digits as its factorization.

1323865343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83664.

The product of its digits is 155520, while the sum is 38.

The square root of 1323865343 is about 36384.9603957459. The cubic root of 1323865343 is about 1098.0310073714.

The spelling of 1323865343 in words is "one billion, three hundred twenty-three million, eight hundred sixty-five thousand, three hundred forty-three".