144420806923387 has 2 divisors, whose sum is σ = 144420806923388. Its totient is φ = 144420806923386.

The previous prime is 144420806923381. The next prime is 144420806923403. The reversal of 144420806923387 is 783329608024441.

144420806923387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (783329608024441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144420806923387 - 2⁴³ = 135624713901179 is a prime.

It is not a weakly prime, because it can be changed into another prime (144420806923381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72210403461693 + 72210403461694.

It is an arithmetic number, because the mean of its divisors is an integer number (72210403461694).

Almost surely, 2^{144420806923387} is an apocalyptic number.

144420806923387 is a deficient number, since it is larger than the sum of its proper divisors (1).

144420806923387 is an equidigital number, since it uses as much as digits as its factorization.

144420806923387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55738368, while the sum is 61.

The spelling of 144420806923387 in words is "one hundred forty-four trillion, four hundred twenty billion, eight hundred six million, nine hundred twenty-three thousand, three hundred eighty-seven".