123450566033 has 2 divisors, whose sum is σ = 123450566034. Its totient is φ = 123450566032.

The previous prime is 123450565991. The next prime is 123450566053. The reversal of 123450566033 is 330665054321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114097355089 + 9353210944 = 337783^2 + 96712^2 .

It is a cyclic number.

It is not a de Polignac number, because 123450566033 - 2³⁰ = 122376824209 is a prime.

It is not a weakly prime, because it can be changed into another prime (123450566053) 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, 61725283016 + 61725283017.

It is an arithmetic number, because the mean of its divisors is an integer number (61725283017).

Almost surely, 2^123450566033 is an apocalyptic number.

It is an amenable number.

123450566033 is a deficient number, since it is larger than the sum of its proper divisors (1).

123450566033 is an equidigital number, since it uses as much as digits as its factorization.

123450566033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 38.

The spelling of 123450566033 in words is "one hundred twenty-three billion, four hundred fifty million, five hundred sixty-six thousand, thirty-three".