71500512323 has 8 divisors (see below), whose sum is σ = 73560247392. Its totient is φ = 69447476736.

The previous prime is 71500512263. The next prime is 71500512353. The reversal of 71500512323 is 32321500517.

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 71500512323 - 2¹⁴ = 71500495939 is a prime.

It is a super-2 number, since 2×71500512323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71500512353) 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, 1653215 + ... + 1695912.

It is an arithmetic number, because the mean of its divisors is an integer number (9195030924).

Almost surely, 2^71500512323 is an apocalyptic number.

71500512323 is a deficient number, since it is larger than the sum of its proper divisors (2059735069).

71500512323 is a wasteful number, since it uses less digits than its factorization.

71500512323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349741.

The product of its (nonzero) digits is 6300, while the sum is 29.

The spelling of 71500512323 in words is "seventy-one billion, five hundred million, five hundred twelve thousand, three hundred twenty-three".