144243123 has 4 divisors (see below), whose sum is σ = 192324168. Its totient is φ = 96162080.

The previous prime is 144243091. The next prime is 144243133. The reversal of 144243123 is 321342441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144243123 - 2⁵ = 144243091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144243093 and 144243102.

It is not an unprimeable number, because it can be changed into a prime (144243133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24040518 + ... + 24040523.

It is an arithmetic number, because the mean of its divisors is an integer number (48081042).

Almost surely, 2^144243123 is an apocalyptic number.

144243123 is a deficient number, since it is larger than the sum of its proper divisors (48081045).

144243123 is an equidigital number, since it uses as much as digits as its factorization.

144243123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48081044.

The product of its digits is 2304, while the sum is 24.

The square root of 144243123 is about 12010.1258527960. The cubic root of 144243123 is about 524.4430956291.

Adding to 144243123 its reverse (321342441), we get a palindrome (465585564).

The spelling of 144243123 in words is "one hundred forty-four million, two hundred forty-three thousand, one hundred twenty-three".