42423204213 has 36 divisors (see below), whose sum is σ = 66630147012. Its totient is φ = 25998036480.

The previous prime is 42423204203. The next prime is 42423204227. The reversal of 42423204213 is 31240232424.

42423204213 is a `hidden beast` number, since 4 + 2 + 4 + 232 + 0 + 421 + 3 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 11876204484 + 30546999729 = 108978^2 + 174777^2 .

It is not a de Polignac number, because 42423204213 - 2¹⁰ = 42423203189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42423204203) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 308695 + ... + 424427.

It is an arithmetic number, because the mean of its divisors is an integer number (1850837417).

Almost surely, 2^42423204213 is an apocalyptic number.

It is an amenable number.

42423204213 is a deficient number, since it is larger than the sum of its proper divisors (24206942799).

42423204213 is a wasteful number, since it uses less digits than its factorization.

42423204213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116006 (or 115990 counting only the distinct ones).

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

Adding to 42423204213 its reverse (31240232424), we get a palindrome (73663436637).

The spelling of 42423204213 in words is "forty-two billion, four hundred twenty-three million, two hundred four thousand, two hundred thirteen".