144120400421323 has 8 divisors (see below), whose sum is σ = 152598840701328. Its totient is φ = 135642045659904.

The previous prime is 144120400421287. The next prime is 144120400421341. The reversal of 144120400421323 is 323124004021441.

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 144120400421323 - 2²¹ = 144120398324171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144120400421353) 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, 17893761 + ... + 24666322.

It is an arithmetic number, because the mean of its divisors is an integer number (19074855087666).

Almost surely, 2^{144120400421323} is an apocalyptic number.

144120400421323 is a deficient number, since it is larger than the sum of its proper divisors (8478440280005).

144120400421323 is a wasteful number, since it uses less digits than its factorization.

144120400421323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42759293.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 144120400421323 its reverse (323124004021441), we get a palindrome (467244404442764).

The spelling of 144120400421323 in words is "one hundred forty-four trillion, one hundred twenty billion, four hundred million, four hundred twenty-one thousand, three hundred twenty-three".