1344440232523 has 4 divisors (see below), whose sum is σ = 1344442568400. Its totient is φ = 1344437896648.

The previous prime is 1344440232491. The next prime is 1344440232539. The reversal of 1344440232523 is 3252320444431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1344440232523 - 2⁵ = 1344440232491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344440232623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373761 + ... + 1681837.

It is an arithmetic number, because the mean of its divisors is an integer number (336110642100).

Almost surely, 2^{1344440232523} is an apocalyptic number.

1344440232523 is a deficient number, since it is larger than the sum of its proper divisors (2335877).

1344440232523 is a wasteful number, since it uses less digits than its factorization.

1344440232523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335876.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 1344440232523 its reverse (3252320444431), we get a palindrome (4596760676954).

The spelling of 1344440232523 in words is "one trillion, three hundred forty-four billion, four hundred forty million, two hundred thirty-two thousand, five hundred twenty-three".