42344023441 has 2 divisors, whose sum is σ = 42344023442. Its totient is φ = 42344023440.

The previous prime is 42344023391. The next prime is 42344023483. The reversal of 42344023441 is 14432044324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33189552400 + 9154471041 = 182180^2 + 95679^2 .

It is a cyclic number.

It is not a de Polignac number, because 42344023441 - 2⁷ = 42344023313 is a prime.

It is not a weakly prime, because it can be changed into another prime (42344003441) 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, 21172011720 + 21172011721.

It is an arithmetic number, because the mean of its divisors is an integer number (21172011721).

Almost surely, 2^42344023441 is an apocalyptic number.

It is an amenable number.

42344023441 is a deficient number, since it is larger than the sum of its proper divisors (1).

42344023441 is an equidigital number, since it uses as much as digits as its factorization.

42344023441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 42344023441 its reverse (14432044324), we get a palindrome (56776067765).

The spelling of 42344023441 in words is "forty-two billion, three hundred forty-four million, twenty-three thousand, four hundred forty-one".