1044323120001 has 16 divisors (see below), whose sum is σ = 1646223638400. Its totient is φ = 576178272768.

The previous prime is 1044323119991. The next prime is 1044323120047. The reversal of 1044323120001 is 1000213234401.

It is not a de Polignac number, because 1044323120001 - 2¹¹ = 1044323117953 is a prime.

It is a super-2 number, since 2×1044323120001² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1044323120001.

It is not an unprimeable number, because it can be changed into a prime (1044323120501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 857407536 + ... + 857408753.

It is an arithmetic number, because the mean of its divisors is an integer number (102888977400).

Almost surely, 2^{1044323120001} is an apocalyptic number.

It is an amenable number.

1044323120001 is a deficient number, since it is larger than the sum of its proper divisors (601900518399).

1044323120001 is a wasteful number, since it uses less digits than its factorization.

1044323120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714816328.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1044323120001 its reverse (1000213234401), we get a palindrome (2044536354402).

The spelling of 1044323120001 in words is "one trillion, forty-four billion, three hundred twenty-three million, one hundred twenty thousand, one".