144323399 has 8 divisors (see below), whose sum is σ = 160414992. Its totient is φ = 128727040.

The previous prime is 144323393. The next prime is 144323407. The reversal of 144323399 is 993323441.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 144323399 - 2⁸ = 144323143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144323393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123194 + ... + 124359.

It is an arithmetic number, because the mean of its divisors is an integer number (20051874).

Almost surely, 2^144323399 is an apocalyptic number.

144323399 is a deficient number, since it is larger than the sum of its proper divisors (16091593).

144323399 is a wasteful number, since it uses less digits than its factorization.

144323399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247617.

The product of its digits is 69984, while the sum is 38.

The square root of 144323399 is about 12013.4674012127. The cubic root of 144323399 is about 524.5403674792.

It can be divided in two parts, 1443 and 23399, that added together give a palindrome (24842).

The spelling of 144323399 in words is "one hundred forty-four million, three hundred twenty-three thousand, three hundred ninety-nine".