13203121233 has 16 divisors (see below), whose sum is σ = 18054671360. Its totient is φ = 8577760464.

The previous prime is 13203121207. The next prime is 13203121279. The reversal of 13203121233 is 33212130231.

13203121233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13203121233 - 2²⁶ = 13136012369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13203123233) 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 15 ways as a sum of consecutive naturals, for example, 59941 + ... + 173202.

It is an arithmetic number, because the mean of its divisors is an integer number (1128416960).

Almost surely, 2^13203121233 is an apocalyptic number.

It is an amenable number.

13203121233 is a deficient number, since it is larger than the sum of its proper divisors (4851550127).

13203121233 is a wasteful number, since it uses less digits than its factorization.

13203121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233628.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13203121233 its reverse (33212130231), we get a palindrome (46415251464).

The spelling of 13203121233 in words is "thirteen billion, two hundred three million, one hundred twenty-one thousand, two hundred thirty-three".