42423123211 has 8 divisors (see below), whose sum is σ = 49398354144. Its totient is φ = 35676588480.

The previous prime is 42423123203. The next prime is 42423123217. The reversal of 42423123211 is 11232132424.

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

It is a cyclic number.

It is not a de Polignac number, because 42423123211 - 2³ = 42423123203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42423123217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57173650 + ... + 57174391.

It is an arithmetic number, because the mean of its divisors is an integer number (6174794268).

Almost surely, 2^42423123211 is an apocalyptic number.

42423123211 is a deficient number, since it is larger than the sum of its proper divisors (6975230933).

42423123211 is a wasteful number, since it uses less digits than its factorization.

42423123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114348101.

The product of its digits is 2304, while the sum is 25.

Adding to 42423123211 its reverse (11232132424), we get a palindrome (53655255635).

The spelling of 42423123211 in words is "forty-two billion, four hundred twenty-three million, one hundred twenty-three thousand, two hundred eleven".