1324440111243 has 8 divisors (see below), whose sum is σ = 1777771962000. Its totient is φ = 877034167328.

The previous prime is 1324440111223. The next prime is 1324440111283. The reversal of 1324440111243 is 3421110444231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1324440111243 - 2²¹ = 1324438014091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1324440111243.

It is not an unprimeable number, because it can be changed into a prime (1324440111223) 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, 1481476188 + ... + 1481477081.

It is an arithmetic number, because the mean of its divisors is an integer number (222221495250).

Almost surely, 2^{1324440111243} is an apocalyptic number.

1324440111243 is a deficient number, since it is larger than the sum of its proper divisors (453331850757).

1324440111243 is a wasteful number, since it uses less digits than its factorization.

1324440111243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962953421.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1324440111243 its reverse (3421110444231), we get a palindrome (4745550555474).

The spelling of 1324440111243 in words is "one trillion, three hundred twenty-four billion, four hundred forty million, one hundred eleven thousand, two hundred forty-three".