442012142423 has 8 divisors (see below), whose sum is σ = 444466725120. Its totient is φ = 439559690080.

The previous prime is 442012142371. The next prime is 442012142431. The reversal of 442012142423 is 324241210244.

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 442012142423 - 2¹⁰ = 442012141399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442012142023) 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 7 ways as a sum of consecutive naturals, for example, 115568 + ... + 947301.

It is an arithmetic number, because the mean of its divisors is an integer number (55558340640).

Almost surely, 2^442012142423 is an apocalyptic number.

442012142423 is a deficient number, since it is larger than the sum of its proper divisors (2454582697).

442012142423 is a wasteful number, since it uses less digits than its factorization.

442012142423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065177.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 442012142423 its reverse (324241210244), we get a palindrome (766253352667).

The spelling of 442012142423 in words is "four hundred forty-two billion, twelve million, one hundred forty-two thousand, four hundred twenty-three".