123300031311 has 12 divisors (see below), whose sum is σ = 178153588080. Its totient is φ = 82175308800.

The previous prime is 123300031297. The next prime is 123300031339. The reversal of 123300031311 is 113130003321.

It is a happy number.

123300031311 is a `hidden beast` number, since 1 + 23 + 300 + 0 + 31 + 311 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-123300031311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123300031111) 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 11 ways as a sum of consecutive naturals, for example, 2027715 + ... + 2087636.

It is an arithmetic number, because the mean of its divisors is an integer number (14846132340).

Almost surely, 2^123300031311 is an apocalyptic number.

123300031311 is a deficient number, since it is larger than the sum of its proper divisors (54853556769).

123300031311 is a wasteful number, since it uses less digits than its factorization.

123300031311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118686 (or 4118683 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 123300031311 its reverse (113130003321), we get a palindrome (236430034632).

The spelling of 123300031311 in words is "one hundred twenty-three billion, three hundred million, thirty-one thousand, three hundred eleven".