1044342021423 has 16 divisors (see below), whose sum is σ = 1422204157440. Its totient is φ = 681356479296.

The previous prime is 1044342021397. The next prime is 1044342021529. The reversal of 1044342021423 is 3241202434401.

It is not a de Polignac number, because 1044342021423 - 2²⁶ = 1044274912559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044342023423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373211 + ... + 1993587.

It is an arithmetic number, because the mean of its divisors is an integer number (88887759840).

Almost surely, 2^{1044342021423} is an apocalyptic number.

1044342021423 is a deficient number, since it is larger than the sum of its proper divisors (377862136017).

1044342021423 is a wasteful number, since it uses less digits than its factorization.

1044342021423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632366.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1044342021423 its reverse (3241202434401), we get a palindrome (4285544455824).

The spelling of 1044342021423 in words is "one trillion, forty-four billion, three hundred forty-two million, twenty-one thousand, four hundred twenty-three".