42344023013 has 2 divisors, whose sum is σ = 42344023014. Its totient is φ = 42344023012.

The previous prime is 42344022947. The next prime is 42344023039. The reversal of 42344023013 is 31032044324.

It is an a-pointer prime, because the next prime (42344023039) can be obtained adding 42344023013 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40070831329 + 2273191684 = 200177^2 + 47678^2 .

It is a cyclic number.

It is not a de Polignac number, because 42344023013 - 2¹⁶ = 42343957477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42344023313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21172011506 + 21172011507.

It is an arithmetic number, because the mean of its divisors is an integer number (21172011507).

Almost surely, 2^42344023013 is an apocalyptic number.

It is an amenable number.

42344023013 is a deficient number, since it is larger than the sum of its proper divisors (1).

42344023013 is an equidigital number, since it uses as much as digits as its factorization.

42344023013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 42344023013 its reverse (31032044324), we get a palindrome (73376067337).

The spelling of 42344023013 in words is "forty-two billion, three hundred forty-four million, twenty-three thousand, thirteen".