1324342243 has 4 divisors (see below), whose sum is σ = 1513534000. Its totient is φ = 1135150488.

The previous prime is 1324342213. The next prime is 1324342267. The reversal of 1324342243 is 3422434231.

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 1324342243 - 2¹⁷ = 1324211171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1324342213) 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, 94595868 + ... + 94595881.

It is an arithmetic number, because the mean of its divisors is an integer number (378383500).

Almost surely, 2^1324342243 is an apocalyptic number.

1324342243 is a deficient number, since it is larger than the sum of its proper divisors (189191757).

1324342243 is an equidigital number, since it uses as much as digits as its factorization.

1324342243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189191756.

The product of its digits is 13824, while the sum is 28.

The square root of 1324342243 is about 36391.5133375901. The cubic root of 1324342243 is about 1098.1628405481.

Adding to 1324342243 its reverse (3422434231), we get a palindrome (4746776474).

The spelling of 1324342243 in words is "one billion, three hundred twenty-four million, three hundred forty-two thousand, two hundred forty-three".