144321423423 has 4 divisors (see below), whose sum is σ = 192428564568. Its totient is φ = 96214282280.

The previous prime is 144321423377. The next prime is 144321423437. The reversal of 144321423423 is 324324123441.

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 144321423423 - 2⁶ = 144321423359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144321473423) 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, 24053570568 + ... + 24053570573.

It is an arithmetic number, because the mean of its divisors is an integer number (48107141142).

Almost surely, 2^144321423423 is an apocalyptic number.

144321423423 is a deficient number, since it is larger than the sum of its proper divisors (48107141145).

144321423423 is an equidigital number, since it uses as much as digits as its factorization.

144321423423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48107141144.

The product of its digits is 55296, while the sum is 33.

Adding to 144321423423 its reverse (324324123441), we get a palindrome (468645546864).

The spelling of 144321423423 in words is "one hundred forty-four billion, three hundred twenty-one million, four hundred twenty-three thousand, four hundred twenty-three".