144321123 has 8 divisors (see below), whose sum is σ = 194194000. Its totient is φ = 95331168.

The previous prime is 144321049. The next prime is 144321137. The reversal of 144321123 is 321123441.

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

It is not a de Polignac number, because 144321123 - 2⁹ = 144320611 is a prime.

It is a super-2 number, since 2×144321123² = 41657173087962258, which contains 22 as substring.

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 144321123.

It is not an unprimeable number, because it can be changed into a prime (144321623) 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, 220348 + ... + 221001.

It is an arithmetic number, because the mean of its divisors is an integer number (24274250).

Almost surely, 2^144321123 is an apocalyptic number.

144321123 is a deficient number, since it is larger than the sum of its proper divisors (49872877).

144321123 is a wasteful number, since it uses less digits than its factorization.

144321123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441461.

The product of its digits is 576, while the sum is 21.

The square root of 144321123 is about 12013.3726738165. The cubic root of 144321123 is about 524.5376101066.

Adding to 144321123 its reverse (321123441), we get a palindrome (465444564).

The spelling of 144321123 in words is "one hundred forty-four million, three hundred twenty-one thousand, one hundred twenty-three".