23441440313 has 2 divisors, whose sum is σ = 23441440314. Its totient is φ = 23441440312.

The previous prime is 23441440307. The next prime is 23441440343. The reversal of 23441440313 is 31304414432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19185574144 + 4255866169 = 138512^2 + 65237^2 .

It is a cyclic number.

It is not a de Polignac number, because 23441440313 - 2²² = 23437246009 is a prime.

It is a super-2 number, since 2×23441440313² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23441440343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11720720156 + 11720720157.

It is an arithmetic number, because the mean of its divisors is an integer number (11720720157).

Almost surely, 2^23441440313 is an apocalyptic number.

It is an amenable number.

23441440313 is a deficient number, since it is larger than the sum of its proper divisors (1).

23441440313 is an equidigital number, since it uses as much as digits as its factorization.

23441440313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 23441440313 its reverse (31304414432), we get a palindrome (54745854745).

The spelling of 23441440313 in words is "twenty-three billion, four hundred forty-one million, four hundred forty thousand, three hundred thirteen".