71000803723 has 2 divisors, whose sum is σ = 71000803724. Its totient is φ = 71000803722.

The previous prime is 71000803681. The next prime is 71000803747. The reversal of 71000803723 is 32730800017.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71000803723 is a prime.

It is a super-2 number, since 2×71000803723² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71000803123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35500401861 + 35500401862.

It is an arithmetic number, because the mean of its divisors is an integer number (35500401862).

Almost surely, 2^71000803723 is an apocalyptic number.

71000803723 is a deficient number, since it is larger than the sum of its proper divisors (1).

71000803723 is an equidigital number, since it uses as much as digits as its factorization.

71000803723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The spelling of 71000803723 in words is "seventy-one billion, eight hundred three thousand, seven hundred twenty-three".