23444320313 has 2 divisors, whose sum is σ = 23444320314. Its totient is φ = 23444320312.

The previous prime is 23444320223. The next prime is 23444320327. The reversal of 23444320313 is 31302344432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22559138809 + 885181504 = 150197^2 + 29752^2 .

It is a cyclic number.

It is not a de Polignac number, because 23444320313 - 2¹⁰ = 23444319289 is a prime.

It is not a weakly prime, because it can be changed into another prime (23444620313) 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, 11722160156 + 11722160157.

It is an arithmetic number, because the mean of its divisors is an integer number (11722160157).

Almost surely, 2^23444320313 is an apocalyptic number.

It is an amenable number.

23444320313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23444320313 is an equidigital number, since it uses as much as digits as its factorization.

23444320313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 23444320313 its reverse (31302344432), we get a palindrome (54746664745).

The spelling of 23444320313 in words is "twenty-three billion, four hundred forty-four million, three hundred twenty thousand, three hundred thirteen".