11042423317 has 2 divisors, whose sum is σ = 11042423318. Its totient is φ = 11042423316.

The previous prime is 11042423311. The next prime is 11042423341. The reversal of 11042423317 is 71332424011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10104471441 + 937951876 = 100521^2 + 30626^2 .

It is a cyclic number.

It is not a de Polignac number, because 11042423317 - 2³ = 11042423309 is a prime.

It is a super-2 number, since 2×11042423317² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11042423311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521211658 + 5521211659.

It is an arithmetic number, because the mean of its divisors is an integer number (5521211659).

Almost surely, 2^11042423317 is an apocalyptic number.

It is an amenable number.

11042423317 is a deficient number, since it is larger than the sum of its proper divisors (1).

11042423317 is an equidigital number, since it uses as much as digits as its factorization.

11042423317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 11042423317 its reverse (71332424011), we get a palindrome (82374847328).

The spelling of 11042423317 in words is "eleven billion, forty-two million, four hundred twenty-three thousand, three hundred seventeen".