2312323322261 has 2 divisors, whose sum is σ = 2312323322262. Its totient is φ = 2312323322260.

The previous prime is 2312323322173. The next prime is 2312323322263. The reversal of 2312323322261 is 1622233232132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1699813605361 + 612509716900 = 1303769^2 + 782630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2312323322261 is a prime.

Together with 2312323322263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312323322263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156161661130 + 1156161661131.

It is an arithmetic number, because the mean of its divisors is an integer number (1156161661131).

Almost surely, 2^{2312323322261} is an apocalyptic number.

It is an amenable number.

2312323322261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312323322261 is an equidigital number, since it uses as much as digits as its factorization.

2312323322261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 32.

Adding to 2312323322261 its reverse (1622233232132), we get a palindrome (3934556554393).

The spelling of 2312323322261 in words is "two trillion, three hundred twelve billion, three hundred twenty-three million, three hundred twenty-two thousand, two hundred sixty-one".