144323403431 has 4 divisors (see below), whose sum is σ = 144327810000. Its totient is φ = 144318996864.

The previous prime is 144323403401. The next prime is 144323403443. The reversal of 144323403431 is 134304323441.

144323403431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134304323441 = 2027 ⋅66257683.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144323403431 is a prime.

It is a super-3 number, since 3×144323403431³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144323403401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2153786 + ... + 2219783.

It is an arithmetic number, because the mean of its divisors is an integer number (36081952500).

Almost surely, 2^144323403431 is an apocalyptic number.

144323403431 is a deficient number, since it is larger than the sum of its proper divisors (4406569).

144323403431 is an equidigital number, since it uses as much as digits as its factorization.

144323403431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406568.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 144323403431 its reverse (134304323441), we get a palindrome (278627726872).

The spelling of 144323403431 in words is "one hundred forty-four billion, three hundred twenty-three million, four hundred three thousand, four hundred thirty-one".