71473890817823 has 8 divisors (see below), whose sum is σ = 78849245405616. Its totient is φ = 64366730942400.

The previous prime is 71473890817811. The next prime is 71473890817829. The reversal of 71473890817823 is 32871809837417.

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

It is a cyclic number.

It is not a de Polignac number, because 71473890817823 - 2¹⁰ = 71473890816799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71473890817829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67048677533 + ... + 67048678598.

It is an arithmetic number, because the mean of its divisors is an integer number (9856155675702).

Almost surely, 2^{71473890817823} is an apocalyptic number.

71473890817823 is a deficient number, since it is larger than the sum of its proper divisors (7375354587793).

71473890817823 is a wasteful number, since it uses less digits than its factorization.

71473890817823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134097356185.

The product of its (nonzero) digits is 113799168, while the sum is 68.

The spelling of 71473890817823 in words is "seventy-one trillion, four hundred seventy-three billion, eight hundred ninety million, eight hundred seventeen thousand, eight hundred twenty-three".