144240423 has 8 divisors (see below), whose sum is σ = 194225136. Its totient is φ = 95208000.

The previous prime is 144240379. The next prime is 144240443. The reversal of 144240423 is 324042441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144240423 - 2¹⁸ = 143978279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144240393 and 144240402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144240443) 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, 237718 + ... + 238323.

It is an arithmetic number, because the mean of its divisors is an integer number (24278142).

Almost surely, 2^144240423 is an apocalyptic number.

144240423 is a deficient number, since it is larger than the sum of its proper divisors (49984713).

144240423 is a wasteful number, since it uses less digits than its factorization.

144240423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476145.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 144240423 is about 12010.0134471199. The cubic root of 144240423 is about 524.4398233640.

Adding to 144240423 its reverse (324042441), we get a palindrome (468282864).

The spelling of 144240423 in words is "one hundred forty-four million, two hundred forty thousand, four hundred twenty-three".