442205640012423 has 16 divisors (see below), whose sum is σ = 713474646071040. Its totient is φ = 237824882023296.

The previous prime is 442205640012413. The next prime is 442205640012439. The reversal of 442205640012423 is 324210046502244.

It is not a de Polignac number, because 442205640012423 - 2⁴¹ = 440006616756871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442205640012413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619335629913 + ... + 619335630626.

It is an arithmetic number, because the mean of its divisors is an integer number (44592165379440).

Almost surely, 2^{442205640012423} is an apocalyptic number.

442205640012423 is a deficient number, since it is larger than the sum of its proper divisors (271269006058617).

442205640012423 is a wasteful number, since it uses less digits than its factorization.

442205640012423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238671260566.

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 442205640012423 its reverse (324210046502244), we get a palindrome (766415686514667).

The spelling of 442205640012423 in words is "four hundred forty-two trillion, two hundred five billion, six hundred forty million, twelve thousand, four hundred twenty-three".