13122311233 has 8 divisors (see below), whose sum is σ = 13733486208. Its totient is φ = 12514522944.

The previous prime is 13122311177. The next prime is 13122311243. The reversal of 13122311233 is 33211322131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13122311233 - 2²⁵ = 13088756801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13122311243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838741 + ... + 854242.

It is an arithmetic number, because the mean of its divisors is an integer number (1716685776).

Almost surely, 2^13122311233 is an apocalyptic number.

It is an amenable number.

13122311233 is a deficient number, since it is larger than the sum of its proper divisors (611174975).

13122311233 is a wasteful number, since it uses less digits than its factorization.

13122311233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693343.

The product of its digits is 648, while the sum is 22.

Adding to 13122311233 its reverse (33211322131), we get a palindrome (46333633364).

The spelling of 13122311233 in words is "thirteen billion, one hundred twenty-two million, three hundred eleven thousand, two hundred thirty-three".