144432423 has 16 divisors (see below), whose sum is σ = 219758560. Its totient is φ = 93685248.

The previous prime is 144432403. The next prime is 144432427. The reversal of 144432423 is 324234441.

It is a happy number.

It is not a de Polignac number, because 144432423 - 2¹² = 144428327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144432427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71290 + ... + 73287.

It is an arithmetic number, because the mean of its divisors is an integer number (13734910).

Almost surely, 2^144432423 is an apocalyptic number.

144432423 is a deficient number, since it is larger than the sum of its proper divisors (75326137).

144432423 is a wasteful number, since it uses less digits than its factorization.

144432423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144623 (or 144617 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 144432423 is about 12018.0041188211. The cubic root of 144432423 is about 524.6724160483.

Adding to 144432423 its reverse (324234441), we get a palindrome (468666864).

The spelling of 144432423 in words is "one hundred forty-four million, four hundred thirty-two thousand, four hundred twenty-three".