823031000161 has 2 divisors, whose sum is σ = 823031000162. Its totient is φ = 823031000160.

The previous prime is 823031000149. The next prime is 823031000173. The reversal of 823031000161 is 161000130328.

823031000161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (823031000149) and next prime (823031000173).

It can be written as a sum of positive squares in only one way, i.e., 822342462561 + 688537600 = 906831^2 + 26240^2 .

It is a cyclic number.

It is not a de Polignac number, because 823031000161 - 2¹³ = 823030991969 is a prime.

It is not a weakly prime, because it can be changed into another prime (823031000101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411515500080 + 411515500081.

It is an arithmetic number, because the mean of its divisors is an integer number (411515500081).

Almost surely, 2^823031000161 is an apocalyptic number.

It is an amenable number.

823031000161 is a deficient number, since it is larger than the sum of its proper divisors (1).

823031000161 is an equidigital number, since it uses as much as digits as its factorization.

823031000161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 823031000161 its reverse (161000130328), we get a palindrome (984031130489).

The spelling of 823031000161 in words is "eight hundred twenty-three billion, thirty-one million, one hundred sixty-one", and thus it is an aban number.