1323230013 has 96 divisors (see below), whose sum is σ = 2357555200. Its totient is φ = 726014016.

The previous prime is 1323229991. The next prime is 1323230039. The reversal of 1323230013 is 3100323231.

It is not a de Polignac number, because 1323230013 - 2⁶ = 1323229949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323230413) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5778183 + ... + 5778411.

Almost surely, 2^1323230013 is an apocalyptic number.

It is an amenable number.

1323230013 is a deficient number, since it is larger than the sum of its proper divisors (1034325187).

1323230013 is an equidigital number, since it uses as much as digits as its factorization.

1323230013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1323230013 is about 36376.2286802797. The cubic root of 1323230013 is about 1097.8553289639.

Adding to 1323230013 its reverse (3100323231), we get a palindrome (4423553244).

The spelling of 1323230013 in words is "one billion, three hundred twenty-three million, two hundred thirty thousand, thirteen".