1323313233 has 24 divisors (see below), whose sum is σ = 1944451488. Its totient is φ = 799920000.

The previous prime is 1323313139. The next prime is 1323313283. The reversal of 1323313233 is 3323133231.

It is not a de Polignac number, because 1323313233 - 2⁹ = 1323312721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323313283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141018 + ... + 150108.

It is an arithmetic number, because the mean of its divisors is an integer number (81018812).

Almost surely, 2^1323313233 is an apocalyptic number.

It is an amenable number.

1323313233 is a deficient number, since it is larger than the sum of its proper divisors (621138255).

1323313233 is a wasteful number, since it uses less digits than its factorization.

1323313233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9517 (or 9506 counting only the distinct ones).

The product of its digits is 2916, while the sum is 24.

The square root of 1323313233 is about 36377.3725411828. The cubic root of 1323313233 is about 1097.8783437596.

Adding to 1323313233 its reverse (3323133231), we get a palindrome (4646446464).

The spelling of 1323313233 in words is "one billion, three hundred twenty-three million, three hundred thirteen thousand, two hundred thirty-three".