444121043343123 has 32 divisors (see below), whose sum is σ = 619672978944000. Its totient is φ = 282603758976000.

The previous prime is 444121043343121. The next prime is 444121043343149. The reversal of 444121043343123 is 321343340121444.

It is not a de Polignac number, because 444121043343123 - 2¹ = 444121043343121 is a prime.

It is a super-2 number, since 2×444121043343123² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444121043343121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63585223 + ... + 70223376.

It is an arithmetic number, because the mean of its divisors is an integer number (19364780592000).

Almost surely, 2^{444121043343123} is an apocalyptic number.

444121043343123 is a deficient number, since it is larger than the sum of its proper divisors (175551935600877).

444121043343123 is a wasteful number, since it uses less digits than its factorization.

444121043343123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133809123.

The product of its (nonzero) digits is 331776, while the sum is 39.

Adding to 444121043343123 its reverse (321343340121444), we get a palindrome (765464383464567).

The spelling of 444121043343123 in words is "four hundred forty-four trillion, one hundred twenty-one billion, forty-three million, three hundred forty-three thousand, one hundred twenty-three".