47823065317 has 2 divisors, whose sum is σ = 47823065318. Its totient is φ = 47823065316.

The previous prime is 47823065309. The next prime is 47823065321. The reversal of 47823065317 is 71356032874.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44863052481 + 2960012836 = 211809^2 + 54406^2 .

It is a cyclic number.

It is not a de Polignac number, because 47823065317 - 2³ = 47823065309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47823063317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23911532658 + 23911532659.

It is an arithmetic number, because the mean of its divisors is an integer number (23911532659).

Almost surely, 2^47823065317 is an apocalyptic number.

It is an amenable number.

47823065317 is a deficient number, since it is larger than the sum of its proper divisors (1).

47823065317 is an equidigital number, since it uses as much as digits as its factorization.

47823065317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 47823065317 in words is "forty-seven billion, eight hundred twenty-three million, sixty-five thousand, three hundred seventeen".