42343112443 has 4 divisors (see below), whose sum is σ = 43709019328. Its totient is φ = 40977205560.

The previous prime is 42343112431. The next prime is 42343112519. The reversal of 42343112443 is 34421134324.

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 42343112443 - 2⁵ = 42343112411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1365906853 = 42343112443 / (4 + 2 + 3 + 4 + 3 + 1 + 1 + 2 + 4 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42343112143) 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, 682953396 + ... + 682953457.

It is an arithmetic number, because the mean of its divisors is an integer number (10927254832).

Almost surely, 2^42343112443 is an apocalyptic number.

42343112443 is a deficient number, since it is larger than the sum of its proper divisors (1365906885).

42343112443 is a wasteful number, since it uses less digits than its factorization.

42343112443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365906884.

The product of its digits is 27648, while the sum is 31.

Adding to 42343112443 its reverse (34421134324), we get a palindrome (76764246767).

The spelling of 42343112443 in words is "forty-two billion, three hundred forty-three million, one hundred twelve thousand, four hundred forty-three".