71308063723 has 8 divisors (see below), whose sum is σ = 76803658400. Its totient is φ = 65813948928.

The previous prime is 71308063693. The next prime is 71308063763. The reversal of 71308063723 is 32736080317.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71308063723 - 2²⁵ = 71274509291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71308063763) 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 in 7 ways as a sum of consecutive naturals, for example, 268863 + ... + 463576.

It is an arithmetic number, because the mean of its divisors is an integer number (9600457300).

Almost surely, 2^71308063723 is an apocalyptic number.

71308063723 is a deficient number, since it is larger than the sum of its proper divisors (5495594677).

71308063723 is a wasteful number, since it uses less digits than its factorization.

71308063723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739941.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 71308063723 in words is "seventy-one billion, three hundred eight million, sixty-three thousand, seven hundred twenty-three".