42043442103 has 12 divisors (see below), whose sum is σ = 65400910120. Its totient is φ = 25872887376.

The previous prime is 42043442057. The next prime is 42043442131. The reversal of 42043442103 is 30124434024.

It is a happy number.

42043442103 is a `hidden beast` number, since 4 + 204 + 3 + 442 + 10 + 3 = 666.

It is not a de Polignac number, because 42043442103 - 2¹⁴ = 42043425719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42043442153) 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, 179672713 + ... + 179672946.

Almost surely, 2^42043442103 is an apocalyptic number.

42043442103 is a deficient number, since it is larger than the sum of its proper divisors (23357468017).

42043442103 is a wasteful number, since it uses less digits than its factorization.

42043442103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359345678 (or 359345675 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42043442103 its reverse (30124434024), we get a palindrome (72167876127).

The spelling of 42043442103 in words is "forty-two billion, forty-three million, four hundred forty-two thousand, one hundred three".