12320223231313 has 2 divisors, whose sum is σ = 12320223231314. Its totient is φ = 12320223231312.

The previous prime is 12320223231271. The next prime is 12320223231341. The reversal of 12320223231313 is 31313232202321.

It is a happy number.

12320223231313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12320223231341) can be obtained adding 12320223231313 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10278230817024 + 2041992414289 = 3205968^2 + 1428983^2 .

It is a cyclic number.

It is not a de Polignac number, because 12320223231313 - 2²¹ = 12320221134161 is a prime.

It is not a weakly prime, because it can be changed into another prime (12320223232313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160111615656 + 6160111615657.

It is an arithmetic number, because the mean of its divisors is an integer number (6160111615657).

Almost surely, 2^{12320223231313} is an apocalyptic number.

It is an amenable number.

12320223231313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12320223231313 is an equidigital number, since it uses as much as digits as its factorization.

12320223231313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 12320223231313 its reverse (31313232202321), we get a palindrome (43633455433634).

The spelling of 12320223231313 in words is "twelve trillion, three hundred twenty billion, two hundred twenty-three million, two hundred thirty-one thousand, three hundred thirteen".