42243122043 has 12 divisors (see below), whose sum is σ = 61038856320. Its totient is φ = 28152382896.

The previous prime is 42243122029. The next prime is 42243122059. The reversal of 42243122043 is 34022134224.

42243122043 is a `hidden beast` number, since 4 + 2 + 2 + 431 + 220 + 4 + 3 = 666.

It is not a de Polignac number, because 42243122043 - 2⁵ = 42243122011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42243121998 and 42243122016.

It is not an unprimeable number, because it can be changed into a prime (42243122743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 780571 + ... + 832932.

It is an arithmetic number, because the mean of its divisors is an integer number (5086571360).

Almost surely, 2^42243122043 is an apocalyptic number.

42243122043 is a deficient number, since it is larger than the sum of its proper divisors (18795734277).

42243122043 is a wasteful number, since it uses less digits than its factorization.

42243122043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616418 (or 1616415 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42243122043 its reverse (34022134224), we get a palindrome (76265256267).

The spelling of 42243122043 in words is "forty-two billion, two hundred forty-three million, one hundred twenty-two thousand, forty-three".