500055005123 has 2 divisors, whose sum is σ = 500055005124. Its totient is φ = 500055005122.

The previous prime is 500055005041. The next prime is 500055005167. The reversal of 500055005123 is 321500550005.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 500055005123 - 2¹⁴ = 500054988739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 500055005092 and 500055005101.

It is not a weakly prime, because it can be changed into another prime (500055005173) 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, 250027502561 + 250027502562.

It is an arithmetic number, because the mean of its divisors is an integer number (250027502562).

Almost surely, 2^500055005123 is an apocalyptic number.

500055005123 is a deficient number, since it is larger than the sum of its proper divisors (1).

500055005123 is an equidigital number, since it uses as much as digits as its factorization.

500055005123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3750, while the sum is 26.

Adding to 500055005123 its reverse (321500550005), we get a palindrome (821555555128).

The spelling of 500055005123 in words is "five hundred billion, fifty-five million, five thousand, one hundred twenty-three".