123342012133 has 2 divisors, whose sum is σ = 123342012134. Its totient is φ = 123342012132.

The previous prime is 123342012107. The next prime is 123342012151. The reversal of 123342012133 is 331210243321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97883256769 + 25458755364 = 312863^2 + 159558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123342012133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123342012098 and 123342012107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123342052133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61671006066 + 61671006067.

It is an arithmetic number, because the mean of its divisors is an integer number (61671006067).

Almost surely, 2^123342012133 is an apocalyptic number.

It is an amenable number.

123342012133 is a deficient number, since it is larger than the sum of its proper divisors (1).

123342012133 is an equidigital number, since it uses as much as digits as its factorization.

123342012133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 123342012133 its reverse (331210243321), we get a palindrome (454552255454).

The spelling of 123342012133 in words is "one hundred twenty-three billion, three hundred forty-two million, twelve thousand, one hundred thirty-three".