12233123311 has 4 divisors (see below), whose sum is σ = 12627740224. Its totient is φ = 11838506400.

The previous prime is 12233123299. The next prime is 12233123317. The reversal of 12233123311 is 11332133221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11332133221 = 84737 ⋅133733.

It is a cyclic number.

It is not a de Polignac number, because 12233123311 - 2⁹ = 12233122799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233123317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197308410 + ... + 197308471.

It is an arithmetic number, because the mean of its divisors is an integer number (3156935056).

Almost surely, 2^12233123311 is an apocalyptic number.

12233123311 is a deficient number, since it is larger than the sum of its proper divisors (394616913).

12233123311 is an equidigital number, since it uses as much as digits as its factorization.

12233123311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394616912.

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

Adding to 12233123311 its reverse (11332133221), we get a palindrome (23565256532).

The spelling of 12233123311 in words is "twelve billion, two hundred thirty-three million, one hundred twenty-three thousand, three hundred eleven".