144240123 has 8 divisors (see below), whose sum is σ = 193835008. Its totient is φ = 95402664.

The previous prime is 144240119. The next prime is 144240127. The reversal of 144240123 is 321042441.

It is an interprime number because it is at equal distance from previous prime (144240119) and next prime (144240127).

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

It is not a de Polignac number, because 144240123 - 2² = 144240119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144240123.

It is not an unprimeable number, because it can be changed into a prime (144240127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188911 + ... + 189672.

It is an arithmetic number, because the mean of its divisors is an integer number (24229376).

Almost surely, 2^144240123 is an apocalyptic number.

144240123 is a deficient number, since it is larger than the sum of its proper divisors (49594885).

144240123 is a wasteful number, since it uses less digits than its factorization.

144240123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378713.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 144240123 is about 12010.0009575353. Note that the first 3 decimals coincide. The cubic root of 144240123 is about 524.4394597765.

Adding to 144240123 its reverse (321042441), we get a palindrome (465282564).

The spelling of 144240123 in words is "one hundred forty-four million, two hundred forty thousand, one hundred twenty-three".