823095217713 has 4 divisors (see below), whose sum is σ = 1097460290288. Its totient is φ = 548730145140.

The previous prime is 823095217673. The next prime is 823095217717. The reversal of 823095217713 is 317712590328.

823095217713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 823095217713 - 2⁶ = 823095217649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (823095217717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137182536283 + ... + 137182536288.

It is an arithmetic number, because the mean of its divisors is an integer number (274365072572).

Almost surely, 2^823095217713 is an apocalyptic number.

It is an amenable number.

823095217713 is a deficient number, since it is larger than the sum of its proper divisors (274365072575).

823095217713 is a wasteful number, since it uses less digits than its factorization.

823095217713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274365072574.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 823095217713 in words is "eight hundred twenty-three billion, ninety-five million, two hundred seventeen thousand, seven hundred thirteen".