1330240323 has 4 divisors (see below), whose sum is σ = 1773653768. Its totient is φ = 886826880.

The previous prime is 1330240321. The next prime is 1330240357. The reversal of 1330240323 is 3230420331.

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

It is not a de Polignac number, because 1330240323 - 2¹ = 1330240321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1330240323.

It is not an unprimeable number, because it can be changed into a prime (1330240321) 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, 221706718 + ... + 221706723.

It is an arithmetic number, because the mean of its divisors is an integer number (443413442).

Almost surely, 2^1330240323 is an apocalyptic number.

1330240323 is a deficient number, since it is larger than the sum of its proper divisors (443413445).

1330240323 is an equidigital number, since it uses as much as digits as its factorization.

1330240323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443413444.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 1330240323 is about 36472.4597881744. The cubic root of 1330240323 is about 1099.7906827614.

Adding to 1330240323 its reverse (3230420331), we get a palindrome (4560660654).

The spelling of 1330240323 in words is "one billion, three hundred thirty million, two hundred forty thousand, three hundred twenty-three".