42243023443 has 4 divisors (see below), whose sum is σ = 42403643568. Its totient is φ = 42082403320.

The previous prime is 42243023419. The next prime is 42243023447. The reversal of 42243023443 is 34432034224.

It is a happy number.

42243023443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42243023443 - 2¹⁷ = 42242892371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42243023447) 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, 80309668 + ... + 80310193.

It is an arithmetic number, because the mean of its divisors is an integer number (10600910892).

Almost surely, 2^42243023443 is an apocalyptic number.

42243023443 is a deficient number, since it is larger than the sum of its proper divisors (160620125).

42243023443 is a wasteful number, since it uses less digits than its factorization.

42243023443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160620124.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 42243023443 its reverse (34432034224), we get a palindrome (76675057667).

The spelling of 42243023443 in words is "forty-two billion, two hundred forty-three million, twenty-three thousand, four hundred forty-three".