71693789323 has 32 divisors (see below), whose sum is σ = 78583440320. Its totient is φ = 65014824960.

The previous prime is 71693789269. The next prime is 71693789353. The reversal of 71693789323 is 32398739617.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71693789323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71693789353) 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, 84048565 + ... + 84049417.

It is an arithmetic number, because the mean of its divisors is an integer number (2455732510).

Almost surely, 2^71693789323 is an apocalyptic number.

71693789323 is a deficient number, since it is larger than the sum of its proper divisors (6889650997).

71693789323 is a wasteful number, since it uses less digits than its factorization.

71693789323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439.

The product of its digits is 10287648, while the sum is 58.

The spelling of 71693789323 in words is "seventy-one billion, six hundred ninety-three million, seven hundred eighty-nine thousand, three hundred twenty-three".