42345505343 has 4 divisors (see below), whose sum is σ = 44836417440. Its totient is φ = 39854593248.

The previous prime is 42345505327. The next prime is 42345505357. The reversal of 42345505343 is 34350554324.

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

It is a cyclic number.

It is not a de Polignac number, because 42345505343 - 2⁴ = 42345505327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42345505297 and 42345505306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42345505373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245456023 + ... + 1245456056.

It is an arithmetic number, because the mean of its divisors is an integer number (11209104360).

Almost surely, 2^42345505343 is an apocalyptic number.

42345505343 is a deficient number, since it is larger than the sum of its proper divisors (2490912097).

42345505343 is a wasteful number, since it uses less digits than its factorization.

42345505343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490912096.

The product of its (nonzero) digits is 432000, while the sum is 38.

The spelling of 42345505343 in words is "forty-two billion, three hundred forty-five million, five hundred five thousand, three hundred forty-three".