442101214423 has 4 divisors (see below), whose sum is σ = 482292233928. Its totient is φ = 401910194920.

The previous prime is 442101214421. The next prime is 442101214433. The reversal of 442101214423 is 324412101244.

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 442101214423 - 2¹ = 442101214421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442101214391 and 442101214400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442101214421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20095509736 + ... + 20095509757.

It is an arithmetic number, because the mean of its divisors is an integer number (120573058482).

Almost surely, 2^442101214423 is an apocalyptic number.

442101214423 is a deficient number, since it is larger than the sum of its proper divisors (40191019505).

442101214423 is a wasteful number, since it uses less digits than its factorization.

442101214423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40191019504.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 442101214423 its reverse (324412101244), we get a palindrome (766513315667).

The spelling of 442101214423 in words is "four hundred forty-two billion, one hundred one million, two hundred fourteen thousand, four hundred twenty-three".