13203120233 has 4 divisors (see below), whose sum is σ = 13250106708. Its totient is φ = 13156133760.

The previous prime is 13203120163. The next prime is 13203120247. The reversal of 13203120233 is 33202130231.

13203120233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6498294544 + 6704825689 = 80612^2 + 81883^2 .

It is a cyclic number.

It is not a de Polignac number, because 13203120233 - 2²⁰ = 13202071657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13203120283) 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, 23492816 + ... + 23493377.

It is an arithmetic number, because the mean of its divisors is an integer number (3312526677).

Almost surely, 2^13203120233 is an apocalyptic number.

It is an amenable number.

13203120233 is a deficient number, since it is larger than the sum of its proper divisors (46986475).

13203120233 is an equidigital number, since it uses as much as digits as its factorization.

13203120233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46986474.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13203120233 its reverse (33202130231), we get a palindrome (46405250464).

The spelling of 13203120233 in words is "thirteen billion, two hundred three million, one hundred twenty thousand, two hundred thirty-three".