13233943243 has 4 divisors (see below), whose sum is σ = 13234552240. Its totient is φ = 13233334248.

The previous prime is 13233943237. The next prime is 13233943253. The reversal of 13233943243 is 34234933231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34234933231 = 29 ⋅1180514939.

It is a cyclic number.

It is not a de Polignac number, because 13233943243 - 2⁵ = 13233943211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13233943253) 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 3 ways as a sum of consecutive naturals, for example, 270648 + ... + 315781.

It is an arithmetic number, because the mean of its divisors is an integer number (3308638060).

Almost surely, 2^13233943243 is an apocalyptic number.

13233943243 is a deficient number, since it is larger than the sum of its proper divisors (608997).

13233943243 is an equidigital number, since it uses as much as digits as its factorization.

13233943243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608996.

The product of its digits is 139968, while the sum is 37.

The spelling of 13233943243 in words is "thirteen billion, two hundred thirty-three million, nine hundred forty-three thousand, two hundred forty-three".