4223123311242 has 16 divisors (see below), whose sum is σ = 9214087224672. Its totient is φ = 1279734336720.

The previous prime is 4223123311241. The next prime is 4223123311289. The reversal of 4223123311242 is 2421133213224.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4223123311241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31993358353 + ... + 31993358484.

It is an arithmetic number, because the mean of its divisors is an integer number (575880451542).

Almost surely, 2^{4223123311242} is an apocalyptic number.

4223123311242 is an abundant number, since it is smaller than the sum of its proper divisors (4990963913430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4223123311242 is a wasteful number, since it uses less digits than its factorization.

4223123311242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63986716853.

The product of its digits is 13824, while the sum is 30.

Adding to 4223123311242 its reverse (2421133213224), we get a palindrome (6644256524466).

The spelling of 4223123311242 in words is "four trillion, two hundred twenty-three billion, one hundred twenty-three million, three hundred eleven thousand, two hundred forty-two".