42343320223 has 4 divisors (see below), whose sum is σ = 42363669888. Its totient is φ = 42322970560.

The previous prime is 42343320203. The next prime is 42343320233. The reversal of 42343320223 is 32202334324.

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-42343320223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42343320191 and 42343320200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42343320203) 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, 10171711 + ... + 10175872.

It is an arithmetic number, because the mean of its divisors is an integer number (10590917472).

Almost surely, 2^42343320223 is an apocalyptic number.

42343320223 is a deficient number, since it is larger than the sum of its proper divisors (20349665).

42343320223 is a wasteful number, since it uses less digits than its factorization.

42343320223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20349664.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 42343320223 its reverse (32202334324), we get a palindrome (74545654547).

The spelling of 42343320223 in words is "forty-two billion, three hundred forty-three million, three hundred twenty thousand, two hundred twenty-three".