42003123411 has 16 divisors (see below), whose sum is σ = 58571087616. Its totient is φ = 26724119136.

The previous prime is 42003123367. The next prime is 42003123451. The reversal of 42003123411 is 11432130024.

It is not a de Polignac number, because 42003123411 - 2¹⁰ = 42003122387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42003123451) 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 in 15 ways as a sum of consecutive naturals, for example, 656500 + ... + 717633.

It is an arithmetic number, because the mean of its divisors is an integer number (3660692976).

Almost surely, 2^42003123411 is an apocalyptic number.

42003123411 is a deficient number, since it is larger than the sum of its proper divisors (16567964205).

42003123411 is a wasteful number, since it uses less digits than its factorization.

42003123411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374602.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 42003123411 its reverse (11432130024), we get a palindrome (53435253435).

The spelling of 42003123411 in words is "forty-two billion, three million, one hundred twenty-three thousand, four hundred eleven".