71323078163 has 2 divisors, whose sum is σ = 71323078164. Its totient is φ = 71323078162.

The previous prime is 71323078133. The next prime is 71323078171. The reversal of 71323078163 is 36187032317.

It is a strong prime.

It is an emirp because it is prime and its reverse (36187032317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71323078163 - 2²⁶ = 71255969299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71323078163.

It is not a weakly prime, because it can be changed into another prime (71323078103) 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, 35661539081 + 35661539082.

It is an arithmetic number, because the mean of its divisors is an integer number (35661539082).

Almost surely, 2^71323078163 is an apocalyptic number.

71323078163 is a deficient number, since it is larger than the sum of its proper divisors (1).

71323078163 is an equidigital number, since it uses as much as digits as its factorization.

71323078163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 71323078163 in words is "seventy-one billion, three hundred twenty-three million, seventy-eight thousand, one hundred sixty-three".