4042123212344 has 48 divisors (see below), whose sum is σ = 8821235459880. Its totient is φ = 1731381650880.

The previous prime is 4042123212341. The next prime is 4042123212409. The reversal of 4042123212344 is 4432123212404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4042123212344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042123212341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2137007 + ... + 3556830.

Almost surely, 2^{4042123212344} is an apocalyptic number.

It is an amenable number.

4042123212344 is an abundant number, since it is smaller than the sum of its proper divisors (4779112247536).

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

4042123212344 is a wasteful number, since it uses less digits than its factorization.

4042123212344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5695668 (or 5695657 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 4042123212344 its reverse (4432123212404), we get a palindrome (8474246424748).

The spelling of 4042123212344 in words is "four trillion, forty-two billion, one hundred twenty-three million, two hundred twelve thousand, three hundred forty-four".