144200040023321 has 4 divisors (see below), whose sum is σ = 147268125981312. Its totient is φ = 141131954065332.

The previous prime is 144200040023297. The next prime is 144200040023323. The reversal of 144200040023321 is 123320040002441.

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 a de Polignac number, because none of the positive numbers 2^k-144200040023321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144200040023323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1534042978925 + ... + 1534042979018.

It is an arithmetic number, because the mean of its divisors is an integer number (36817031495328).

Almost surely, 2^{144200040023321} is an apocalyptic number.

It is an amenable number.

144200040023321 is a deficient number, since it is larger than the sum of its proper divisors (3068085957991).

144200040023321 is an equidigital number, since it uses as much as digits as its factorization.

144200040023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068085957990.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 144200040023321 its reverse (123320040002441), we get a palindrome (267520080025762).

The spelling of 144200040023321 in words is "one hundred forty-four trillion, two hundred billion, forty million, twenty-three thousand, three hundred twenty-one".