442431124442123 has 8 divisors (see below), whose sum is σ = 446607203463792. Its totient is φ = 438255808544736.

The previous prime is 442431124442119. The next prime is 442431124442141. The reversal of 442431124442123 is 321244421134244.

It is a happy number.

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 442431124442123 - 2² = 442431124442119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442431124442323) 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, 189616040 + ... + 191935157.

It is an arithmetic number, because the mean of its divisors is an integer number (55825900432974).

Almost surely, 2^{442431124442123} is an apocalyptic number.

442431124442123 is a deficient number, since it is larger than the sum of its proper divisors (4176079021669).

442431124442123 is a wasteful number, since it uses less digits than its factorization.

442431124442123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381562141.

The product of its digits is 589824, while the sum is 41.

Adding to 442431124442123 its reverse (321244421134244), we get a palindrome (763675545576367).

The spelling of 442431124442123 in words is "four hundred forty-two trillion, four hundred thirty-one billion, one hundred twenty-four million, four hundred forty-two thousand, one hundred twenty-three".