71913041823 has 32 divisors (see below), whose sum is σ = 110317939200. Its totient is φ = 40817627136.

The previous prime is 71913041801. The next prime is 71913041831. The reversal of 71913041823 is 32814031917.

It is not a de Polignac number, because 71913041823 - 2¹⁰ = 71913040799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71913041723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3481815 + ... + 3502407.

It is an arithmetic number, because the mean of its divisors is an integer number (3447435600).

Almost surely, 2^71913041823 is an apocalyptic number.

71913041823 is a deficient number, since it is larger than the sum of its proper divisors (38404897377).

71913041823 is a wasteful number, since it uses less digits than its factorization.

71913041823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21711.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 71913041823 in words is "seventy-one billion, nine hundred thirteen million, forty-one thousand, eight hundred twenty-three".