823031000089 has 4 divisors (see below), whose sum is σ = 823079348260. Its totient is φ = 822982651920.

The previous prime is 823031000081. The next prime is 823031000101. The reversal of 823031000089 is 980000130328.

823031000089 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.

It can be written as a sum of positive squares in 2 ways, for example, as 361120470489 + 461910529600 = 600933^2 + 679640^2 .

It is a cyclic number.

It is not a de Polignac number, because 823031000089 - 2³ = 823031000081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (823031000081) 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, 24148542 + ... + 24182599.

It is an arithmetic number, because the mean of its divisors is an integer number (205769837065).

Almost surely, 2^823031000089 is an apocalyptic number.

It is an amenable number.

823031000089 is a deficient number, since it is larger than the sum of its proper divisors (48348171).

823031000089 is a wasteful number, since it uses less digits than its factorization.

823031000089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48348170.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 823031000089 in words is "eight hundred twenty-three billion, thirty-one million, eighty-nine", and thus it is an aban number.