1323403440441 has 16 divisors (see below), whose sum is σ = 1766474001600. Its totient is φ = 881301109248.

The previous prime is 1323403440431. The next prime is 1323403440487. The reversal of 1323403440441 is 1440443043231.

It is not a de Polignac number, because 1323403440441 - 2⁶ = 1323403440377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323403440421) 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, 39870190 + ... + 39903368.

It is an arithmetic number, because the mean of its divisors is an integer number (110404625100).

Almost surely, 2^{1323403440441} is an apocalyptic number.

It is an amenable number.

1323403440441 is a deficient number, since it is larger than the sum of its proper divisors (443070561159).

1323403440441 is a wasteful number, since it uses less digits than its factorization.

1323403440441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47368.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 1323403440441 its reverse (1440443043231), we get a palindrome (2763846483672).

The spelling of 1323403440441 in words is "one trillion, three hundred twenty-three billion, four hundred three million, four hundred forty thousand, four hundred forty-one".