42003323011 has 16 divisors (see below), whose sum is σ = 46015250400. Its totient is φ = 38103360768.

The previous prime is 42003322997. The next prime is 42003323017. The reversal of 42003323011 is 11032330024.

It is a cyclic number.

It is not a de Polignac number, because 42003323011 - 2¹⁷ = 42003191939 is a prime.

It is a super-2 number, since 2×42003323011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42003323011.

It is not an unprimeable number, because it can be changed into a prime (42003323017) 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, 3335535 + ... + 3348103.

It is an arithmetic number, because the mean of its divisors is an integer number (2875953150).

Almost surely, 2^42003323011 is an apocalyptic number.

42003323011 is a deficient number, since it is larger than the sum of its proper divisors (4011927389).

42003323011 is a wasteful number, since it uses less digits than its factorization.

42003323011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16998.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 42003323011 its reverse (11032330024), we get a palindrome (53035653035).

The spelling of 42003323011 in words is "forty-two billion, three million, three hundred twenty-three thousand, eleven".