123233321311 has 8 divisors (see below), whose sum is σ = 123945897600. Its totient is φ = 122521013400.

The previous prime is 123233321243. The next prime is 123233321357. The reversal of 123233321311 is 113123332321.

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 123233321311 - 2⁹ = 123233320799 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 (123233321711) 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 7 ways as a sum of consecutive naturals, for example, 893500 + ... + 1022158.

It is an arithmetic number, because the mean of its divisors is an integer number (15493237200).

Almost surely, 2^123233321311 is an apocalyptic number.

123233321311 is a deficient number, since it is larger than the sum of its proper divisors (712576289).

123233321311 is a wasteful number, since it uses less digits than its factorization.

123233321311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134189.

The product of its digits is 1944, while the sum is 25.

Adding to 123233321311 its reverse (113123332321), we get a palindrome (236356653632).

The spelling of 123233321311 in words is "one hundred twenty-three billion, two hundred thirty-three million, three hundred twenty-one thousand, three hundred eleven".