123111329933 has 2 divisors, whose sum is σ = 123111329934. Its totient is φ = 123111329932.

The previous prime is 123111329921. The next prime is 123111330107. The reversal of 123111329933 is 339923111321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98846102404 + 24265227529 = 314398^2 + 155773^2 .

It is a cyclic number.

It is not a de Polignac number, because 123111329933 - 2²⁸ = 122842894477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123111329233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61555664966 + 61555664967.

It is an arithmetic number, because the mean of its divisors is an integer number (61555664967).

Almost surely, 2^123111329933 is an apocalyptic number.

It is an amenable number.

123111329933 is a deficient number, since it is larger than the sum of its proper divisors (1).

123111329933 is an equidigital number, since it uses as much as digits as its factorization.

123111329933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244, while the sum is 38.

The spelling of 123111329933 in words is "one hundred twenty-three billion, one hundred eleven million, three hundred twenty-nine thousand, nine hundred thirty-three".