57723845173 has 2 divisors, whose sum is σ = 57723845174. Its totient is φ = 57723845172.

The previous prime is 57723845171. The next prime is 57723845239. The reversal of 57723845173 is 37154832775.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56983896369 + 739948804 = 238713^2 + 27202^2 .

It is a cyclic number.

It is not a de Polignac number, because 57723845173 - 2¹ = 57723845171 is a prime.

Together with 57723845171, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 57723845173.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57723845171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28861922586 + 28861922587.

It is an arithmetic number, because the mean of its divisors is an integer number (28861922587).

Almost surely, 2^57723845173 is an apocalyptic number.

It is an amenable number.

57723845173 is a deficient number, since it is larger than the sum of its proper divisors (1).

57723845173 is an equidigital number, since it uses as much as digits as its factorization.

57723845173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4939200, while the sum is 52.

The spelling of 57723845173 in words is "fifty-seven billion, seven hundred twenty-three million, eight hundred forty-five thousand, one hundred seventy-three".