47871577723 has 2 divisors, whose sum is σ = 47871577724. Its totient is φ = 47871577722.

The previous prime is 47871577709. The next prime is 47871577757. The reversal of 47871577723 is 32777517874.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47871577723 is a prime.

It is not a weakly prime, because it can be changed into another prime (47871577223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23935788861 + 23935788862.

It is an arithmetic number, because the mean of its divisors is an integer number (23935788862).

Almost surely, 2^47871577723 is an apocalyptic number.

47871577723 is a deficient number, since it is larger than the sum of its proper divisors (1).

47871577723 is an equidigital number, since it uses as much as digits as its factorization.

47871577723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16134720, while the sum is 58.

The spelling of 47871577723 in words is "forty-seven billion, eight hundred seventy-one million, five hundred seventy-seven thousand, seven hundred twenty-three".