71523605103 has 8 divisors (see below), whose sum is σ = 99511102848. Its totient is φ = 45609255384.

The previous prime is 71523605071. The next prime is 71523605117. The reversal of 71523605103 is 30150632517.

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

It is not a de Polignac number, because 71523605103 - 2⁵ = 71523605071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71523605143) 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, 518286925 + ... + 518287062.

It is an arithmetic number, because the mean of its divisors is an integer number (12438887856).

Almost surely, 2^71523605103 is an apocalyptic number.

71523605103 is a deficient number, since it is larger than the sum of its proper divisors (27987497745).

71523605103 is a wasteful number, since it uses less digits than its factorization.

71523605103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036574013.

The product of its (nonzero) digits is 18900, while the sum is 33.

The spelling of 71523605103 in words is "seventy-one billion, five hundred twenty-three million, six hundred five thousand, one hundred three".