144395623 has 2 divisors, whose sum is σ = 144395624. Its totient is φ = 144395622.

The previous prime is 144395621. The next prime is 144395639. The reversal of 144395623 is 326593441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144395623 - 2¹ = 144395621 is a prime.

Together with 144395621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144395621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72197811 + 72197812.

It is an arithmetic number, because the mean of its divisors is an integer number (72197812).

Almost surely, 2^144395623 is an apocalyptic number.

144395623 is a deficient number, since it is larger than the sum of its proper divisors (1).

144395623 is an equidigital number, since it uses as much as digits as its factorization.

144395623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 144395623 is about 12016.4729850318. The cubic root of 144395623 is about 524.6278517587.

The spelling of 144395623 in words is "one hundred forty-four million, three hundred ninety-five thousand, six hundred twenty-three".