123535133 has 2 divisors, whose sum is σ = 123535134. Its totient is φ = 123535132.

The previous prime is 123535057. The next prime is 123535147. The reversal of 123535133 is 331535321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122832889 + 702244 = 11083^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 123535133 - 2¹⁴ = 123518749 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123535163) 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 as a sum of consecutive naturals, namely, 61767566 + 61767567.

It is an arithmetic number, because the mean of its divisors is an integer number (61767567).

Almost surely, 2^123535133 is an apocalyptic number.

It is an amenable number.

123535133 is a deficient number, since it is larger than the sum of its proper divisors (1).

123535133 is an equidigital number, since it uses as much as digits as its factorization.

123535133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 26.

The square root of 123535133 is about 11114.6359814436. The cubic root of 123535133 is about 498.0391642989.

The spelling of 123535133 in words is "one hundred twenty-three million, five hundred thirty-five thousand, one hundred thirty-three".