42123442411 has 2 divisors, whose sum is σ = 42123442412. Its totient is φ = 42123442410.

The previous prime is 42123442379. The next prime is 42123442477. The reversal of 42123442411 is 11424432124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42123442411 - 2⁵ = 42123442379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42123442411.

It is not a weakly prime, because it can be changed into another prime (42123442481) 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, 21061721205 + 21061721206.

It is an arithmetic number, because the mean of its divisors is an integer number (21061721206).

Almost surely, 2^42123442411 is an apocalyptic number.

42123442411 is a deficient number, since it is larger than the sum of its proper divisors (1).

42123442411 is an equidigital number, since it uses as much as digits as its factorization.

42123442411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6144, while the sum is 28.

Adding to 42123442411 its reverse (11424432124), we get a palindrome (53547874535).

The spelling of 42123442411 in words is "forty-two billion, one hundred twenty-three million, four hundred forty-two thousand, four hundred eleven".