144240020323 has 12 divisors (see below), whose sum is σ = 173978468400. Its totient is φ = 117127232496.

The previous prime is 144240020291. The next prime is 144240020363. The reversal of 144240020323 is 323020042441.

It is a happy number.

It is not a de Polignac number, because 144240020323 - 2⁵ = 144240020291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144240020363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28537248 + ... + 28542301.

It is an arithmetic number, because the mean of its divisors is an integer number (14498205700).

Almost surely, 2^144240020323 is an apocalyptic number.

144240020323 is a deficient number, since it is larger than the sum of its proper divisors (29738448077).

144240020323 is an equidigital number, since it uses as much as digits as its factorization.

144240020323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57079594 (or 57079575 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 144240020323 its reverse (323020042441), we get a palindrome (467260062764).

The spelling of 144240020323 in words is "one hundred forty-four billion, two hundred forty million, twenty thousand, three hundred twenty-three".