4042112323243 has 4 divisors (see below), whose sum is σ = 4043371943880. Its totient is φ = 4040852702608.

The previous prime is 4042112323237. The next prime is 4042112323309. The reversal of 4042112323243 is 3423232112404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4042112323243 - 2²⁵ = 4042078768811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042112323213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629805505 + ... + 629811922.

It is an arithmetic number, because the mean of its divisors is an integer number (1010842985970).

Almost surely, 2^{4042112323243} is an apocalyptic number.

4042112323243 is a deficient number, since it is larger than the sum of its proper divisors (1259620637).

4042112323243 is a wasteful number, since it uses less digits than its factorization.

4042112323243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259620636.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4042112323243 its reverse (3423232112404), we get a palindrome (7465344435647).

The spelling of 4042112323243 in words is "four trillion, forty-two billion, one hundred twelve million, three hundred twenty-three thousand, two hundred forty-three".