144323134321 has 4 divisors (see below), whose sum is σ = 146769289200. Its totient is φ = 141876979444.

The previous prime is 144323134253. The next prime is 144323134343. The reversal of 144323134321 is 123431323441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144323134321 - 2²⁹ = 143786263409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144323134421) 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, 1223077351 + ... + 1223077468.

It is an arithmetic number, because the mean of its divisors is an integer number (36692322300).

Almost surely, 2^144323134321 is an apocalyptic number.

It is an amenable number.

144323134321 is a deficient number, since it is larger than the sum of its proper divisors (2446154879).

144323134321 is an equidigital number, since it uses as much as digits as its factorization.

144323134321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446154878.

The product of its digits is 20736, while the sum is 31.

Adding to 144323134321 its reverse (123431323441), we get a palindrome (267754457762).

The spelling of 144323134321 in words is "one hundred forty-four billion, three hundred twenty-three million, one hundred thirty-four thousand, three hundred twenty-one".