42243320105 has 16 divisors (see below), whose sum is σ = 58798381440. Its totient is φ = 28534505472.

The previous prime is 42243320101. The next prime is 42243320117. The reversal of 42243320105 is 50102334224.

It is a cyclic number.

It is not a de Polignac number, because 42243320105 - 2² = 42243320101 is a prime.

It is a super-2 number, since 2×42243320105² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42243320101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9004760 + ... + 9009449.

It is an arithmetic number, because the mean of its divisors is an integer number (3674898840).

Almost surely, 2^42243320105 is an apocalyptic number.

It is an amenable number.

42243320105 is a deficient number, since it is larger than the sum of its proper divisors (16555061335).

42243320105 is a wasteful number, since it uses less digits than its factorization.

42243320105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18014288.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 42243320105 its reverse (50102334224), we get a palindrome (92345654329).

The spelling of 42243320105 in words is "forty-two billion, two hundred forty-three million, three hundred twenty thousand, one hundred five".