500023812173 has 2 divisors, whose sum is σ = 500023812174. Its totient is φ = 500023812172.

The previous prime is 500023812143. The next prime is 500023812179. The reversal of 500023812173 is 371218320005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 355028880649 + 144994931524 = 595843^2 + 380782^2 .

It is a cyclic number.

It is not a de Polignac number, because 500023812173 - 2¹⁶ = 500023746637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500023812179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250011906086 + 250011906087.

It is an arithmetic number, because the mean of its divisors is an integer number (250011906087).

Almost surely, 2^500023812173 is an apocalyptic number.

It is an amenable number.

500023812173 is a deficient number, since it is larger than the sum of its proper divisors (1).

500023812173 is an equidigital number, since it uses as much as digits as its factorization.

500023812173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 500023812173 in words is "five hundred billion, twenty-three million, eight hundred twelve thousand, one hundred seventy-three".