42034134343 has 4 divisors (see below), whose sum is σ = 42034655080. Its totient is φ = 42033613608.

The previous prime is 42034134251. The next prime is 42034134407. The reversal of 42034134343 is 34343143024.

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-42034134343 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 (42034134643) 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, 110553 + ... + 310306.

It is an arithmetic number, because the mean of its divisors is an integer number (10508663770).

Almost surely, 2^42034134343 is an apocalyptic number.

42034134343 is a deficient number, since it is larger than the sum of its proper divisors (520737).

42034134343 is an equidigital number, since it uses as much as digits as its factorization.

42034134343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520736.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 42034134343 its reverse (34343143024), we get a palindrome (76377277367).

The spelling of 42034134343 in words is "forty-two billion, thirty-four million, one hundred thirty-four thousand, three hundred forty-three".