42230123042 has 8 divisors (see below), whose sum is σ = 63434531100. Its totient is φ = 21085279344.

The previous prime is 42230123009. The next prime is 42230123051. The reversal of 42230123042 is 24032103224.

It can be written as a sum of positive squares in 2 ways, for example, as 31862607001 + 10367516041 = 178501^2 + 101821^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42230122999 and 42230123017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14889317 + ... + 14892152.

Almost surely, 2^42230123042 is an apocalyptic number.

42230123042 is a deficient number, since it is larger than the sum of its proper divisors (21204408058).

42230123042 is a wasteful number, since it uses less digits than its factorization.

42230123042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29782180.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 42230123042 its reverse (24032103224), we get a palindrome (66262226266).

The spelling of 42230123042 in words is "forty-two billion, two hundred thirty million, one hundred twenty-three thousand, forty-two".