2312323081 has 2 divisors, whose sum is σ = 2312323082. Its totient is φ = 2312323080.

The previous prime is 2312323073. The next prime is 2312323121. The reversal of 2312323081 is 1803232132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1387190025 + 925133056 = 37245^2 + 30416^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312323081 - 2³ = 2312323073 is a prime.

It is a super-2 number, since 2×2312323081² = 10693676061850665122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2312323001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156161540 + 1156161541.

It is an arithmetic number, because the mean of its divisors is an integer number (1156161541).

Almost surely, 2^2312323081 is an apocalyptic number.

It is an amenable number.

2312323081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312323081 is an equidigital number, since it uses as much as digits as its factorization.

2312323081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2312323081 is about 48086.6206028246. The cubic root of 2312323081 is about 1322.3593938586.

The spelling of 2312323081 in words is "two billion, three hundred twelve million, three hundred twenty-three thousand, eighty-one".