144204423 has 16 divisors (see below), whose sum is σ = 210511872. Its totient is φ = 87080000.

The previous prime is 144204409. The next prime is 144204439. The reversal of 144204423 is 324402441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144204423 - 2¹³ = 144196231 is a prime.

It is a super-2 number, since 2×144204423² = 41589831225525858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144204393 and 144204402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144204023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1498 + ... + 17048.

It is an arithmetic number, because the mean of its divisors is an integer number (13156992).

Almost surely, 2^144204423 is an apocalyptic number.

144204423 is a deficient number, since it is larger than the sum of its proper divisors (66307449).

144204423 is a wasteful number, since it uses less digits than its factorization.

144204423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15846.

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

The square root of 144204423 is about 12008.5146042298. The cubic root of 144204423 is about 524.3961892607.

Adding to 144204423 its reverse (324402441), we get a palindrome (468606864).

The spelling of 144204423 in words is "one hundred forty-four million, two hundred four thousand, four hundred twenty-three".