1323343231 has 8 divisors (see below), whose sum is σ = 1512981504. Its totient is φ = 1133852280.

The previous prime is 1323343213. The next prime is 1323343243. The reversal of 1323343231 is 1323433231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323343231 - 2⁵ = 1323343199 is a prime.

It is a super-2 number, since 2×1323343231² = 3502474614067038722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1323343196 and 1323343205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323343261) 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 7 ways as a sum of consecutive naturals, for example, 16855 + ... + 54136.

It is an arithmetic number, because the mean of its divisors is an integer number (189122688).

Almost surely, 2^1323343231 is an apocalyptic number.

1323343231 is a deficient number, since it is larger than the sum of its proper divisors (189638273).

1323343231 is an equidigital number, since it uses as much as digits as its factorization.

1323343231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73661.

The product of its digits is 3888, while the sum is 25.

The square root of 1323343231 is about 36377.7848555956. The cubic root of 1323343231 is about 1097.8866395797.

Adding to 1323343231 its reverse (1323433231), we get a palindrome (2646776462).

Subtracting 1323343231 from its reverse (1323433231), we obtain a square (90000 = 300²).

The spelling of 1323343231 in words is "one billion, three hundred twenty-three million, three hundred forty-three thousand, two hundred thirty-one".