1320343233 has 32 divisors (see below), whose sum is σ = 2103615360. Its totient is φ = 727157760.

The previous prime is 1320343229. The next prime is 1320343253. The reversal of 1320343233 is 3323430231.

It is a happy number.

1320343233 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1320343233 - 2² = 1320343229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320343253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24310 + ... + 56847.

It is an arithmetic number, because the mean of its divisors is an integer number (65737980).

Almost surely, 2^1320343233 is an apocalyptic number.

It is an amenable number.

1320343233 is a deficient number, since it is larger than the sum of its proper divisors (783272127).

1320343233 is a wasteful number, since it uses less digits than its factorization.

1320343233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81217.

The product of its (nonzero) digits is 3888, while the sum is 24.

The square root of 1320343233 is about 36336.5275308470. The cubic root of 1320343233 is about 1097.0563813683.

Adding to 1320343233 its reverse (3323430231), we get a palindrome (4643773464).

The spelling of 1320343233 in words is "one billion, three hundred twenty million, three hundred forty-three thousand, two hundred thirty-three".