42340103 has 4 divisors (see below), whose sum is σ = 45597048. Its totient is φ = 39083160.

The previous prime is 42340097. The next prime is 42340121. The reversal of 42340103 is 30104324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42340103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628453 + ... + 1628478.

It is an arithmetic number, because the mean of its divisors is an integer number (11399262).

Almost surely, 2^42340103 is an apocalyptic number.

42340103 is a deficient number, since it is larger than the sum of its proper divisors (3256945).

42340103 is a wasteful number, since it uses less digits than its factorization.

42340103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256944.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42340103 is about 6506.9273086458. The cubic root of 42340103 is about 348.5384028375.

Adding to 42340103 its reverse (30104324), we get a palindrome (72444427).

The spelling of 42340103 in words is "forty-two million, three hundred forty thousand, one hundred three".