42004123003 has 16 divisors (see below), whose sum is σ = 42895442304. Its totient is φ = 41121178560.

The previous prime is 42004122959. The next prime is 42004123033. The reversal of 42004123003 is 30032140024.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42004123003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42004123033) 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, 12113676 + ... + 12117142.

It is an arithmetic number, because the mean of its divisors is an integer number (2680965144).

Almost surely, 2^42004123003 is an apocalyptic number.

42004123003 is a deficient number, since it is larger than the sum of its proper divisors (891319301).

42004123003 is a wasteful number, since it uses less digits than its factorization.

42004123003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 42004123003 its reverse (30032140024), we get a palindrome (72036263027).

The spelling of 42004123003 in words is "forty-two billion, four million, one hundred twenty-three thousand, three".