42043340003 has 12 divisors (see below), whose sum is σ = 49948147872. Its totient is φ = 35270398800.

The previous prime is 42043339957. The next prime is 42043340023. The reversal of 42043340003 is 30004334024.

It is a happy number.

It is not a de Polignac number, because 42043340003 - 2⁶ = 42043339939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42043340023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9125648 + ... + 9130253.

It is an arithmetic number, because the mean of its divisors is an integer number (4162345656).

Almost surely, 2^42043340003 is an apocalyptic number.

42043340003 is a deficient number, since it is larger than the sum of its proper divisors (7904807869).

42043340003 is a wasteful number, since it uses less digits than its factorization.

42043340003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18255962 (or 18255955 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 42043340003 its reverse (30004334024), we get a palindrome (72047674027).

The spelling of 42043340003 in words is "forty-two billion, forty-three million, three hundred forty thousand, three".