442434411222423 has 16 divisors (see below), whose sum is σ = 651770385843456. Its totient is φ = 265536083120000.

The previous prime is 442434411222407. The next prime is 442434411222437. The reversal of 442434411222423 is 324222114434244.

It is a cyclic number.

It is not a de Polignac number, because 442434411222423 - 2⁴ = 442434411222407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442434411220423) 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, 188590966953 + ... + 188590969298.

It is an arithmetic number, because the mean of its divisors is an integer number (40735649115216).

Almost surely, 2^{442434411222423} is an apocalyptic number.

442434411222423 is a deficient number, since it is larger than the sum of its proper divisors (209335974621033).

442434411222423 is a wasteful number, since it uses less digits than its factorization.

442434411222423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377181936294.

The product of its digits is 1179648, while the sum is 42.

Adding to 442434411222423 its reverse (324222114434244), we get a palindrome (766656525656667).

The spelling of 442434411222423 in words is "four hundred forty-two trillion, four hundred thirty-four billion, four hundred eleven million, two hundred twenty-two thousand, four hundred twenty-three".