42434105040103 has 4 divisors (see below), whose sum is σ = 48496120045840. Its totient is φ = 36372090034368.

The previous prime is 42434105040073. The next prime is 42434105040127. The reversal of 42434105040103 is 30104050143424.

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-42434105040103 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 (42434105044103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3031007502858 + ... + 3031007502871.

It is an arithmetic number, because the mean of its divisors is an integer number (12124030011460).

Almost surely, 2^{42434105040103} is an apocalyptic number.

42434105040103 is a deficient number, since it is larger than the sum of its proper divisors (6062015005737).

42434105040103 is an equidigital number, since it uses as much as digits as its factorization.

42434105040103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6062015005736.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 42434105040103 its reverse (30104050143424), we get a palindrome (72538155183527).

The spelling of 42434105040103 in words is "forty-two trillion, four hundred thirty-four billion, one hundred five million, forty thousand, one hundred three".