123005503373 has 2 divisors, whose sum is σ = 123005503374. Its totient is φ = 123005503372.

The previous prime is 123005503339. The next prime is 123005503393. The reversal of 123005503373 is 373305500321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69782090569 + 53223412804 = 264163^2 + 230702^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123005503373 is a prime.

It is a super-2 number, since 2×123005503373² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123005503393) 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, 61502751686 + 61502751687.

It is an arithmetic number, because the mean of its divisors is an integer number (61502751687).

Almost surely, 2^123005503373 is an apocalyptic number.

It is an amenable number.

123005503373 is a deficient number, since it is larger than the sum of its proper divisors (1).

123005503373 is an equidigital number, since it uses as much as digits as its factorization.

123005503373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 32.

The spelling of 123005503373 in words is "one hundred twenty-three billion, five million, five hundred three thousand, three hundred seventy-three".