442444401123 has 8 divisors (see below), whose sum is σ = 610268139600. Its totient is φ = 284791798368.

The previous prime is 442444401107. The next prime is 442444401143. The reversal of 442444401123 is 321104444244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442444401123 - 2⁴ = 442444401107 is a prime.

It is a super-2 number, since 2×442444401123² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (442444401143) 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, 2542783828 + ... + 2542784001.

It is an arithmetic number, because the mean of its divisors is an integer number (76283517450).

Almost surely, 2^442444401123 is an apocalyptic number.

442444401123 is a deficient number, since it is larger than the sum of its proper divisors (167823738477).

442444401123 is a wasteful number, since it uses less digits than its factorization.

442444401123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085567861.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 442444401123 its reverse (321104444244), we get a palindrome (763548845367).

The spelling of 442444401123 in words is "four hundred forty-two billion, four hundred forty-four million, four hundred one thousand, one hundred twenty-three".