123134533133 has 2 divisors, whose sum is σ = 123134533134. Its totient is φ = 123134533132.

The previous prime is 123134533019. The next prime is 123134533153. The reversal of 123134533133 is 331335431321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123132213604 + 2319529 = 350902^2 + 1523^2 .

It is a cyclic number.

It is not a de Polignac number, because 123134533133 - 2²⁰ = 123133484557 is a prime.

It is a super-2 number, since 2×123134533133² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123134533133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123134533153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61567266566 + 61567266567.

It is an arithmetic number, because the mean of its divisors is an integer number (61567266567).

Almost surely, 2^123134533133 is an apocalyptic number.

It is an amenable number.

123134533133 is a deficient number, since it is larger than the sum of its proper divisors (1).

123134533133 is an equidigital number, since it uses as much as digits as its factorization.

123134533133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 32.

Adding to 123134533133 its reverse (331335431321), we get a palindrome (454469964454).

The spelling of 123134533133 in words is "one hundred twenty-three billion, one hundred thirty-four million, five hundred thirty-three thousand, one hundred thirty-three".