1320324343 has 4 divisors (see below), whose sum is σ = 1421887768. Its totient is φ = 1218760920.

The previous prime is 1320324323. The next prime is 1320324347. The reversal of 1320324343 is 3434230231.

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

It is not a de Polignac number, because 1320324343 - 2²¹ = 1318227191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320324347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50781693 + ... + 50781718.

It is an arithmetic number, because the mean of its divisors is an integer number (355471942).

Almost surely, 2^1320324343 is an apocalyptic number.

1320324343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1320324343 is a deficient number, since it is larger than the sum of its proper divisors (101563425).

1320324343 is a wasteful number, since it uses less digits than its factorization.

1320324343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101563424.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 1320324343 is about 36336.2675986403. The cubic root of 1320324343 is about 1097.0511495232.

Adding to 1320324343 its reverse (3434230231), we get a palindrome (4754554574).

The spelling of 1320324343 in words is "one billion, three hundred twenty million, three hundred twenty-four thousand, three hundred forty-three".