144023232321 has 12 divisors (see below), whose sum is σ = 208037027172. Its totient is φ = 96013886976.

The previous prime is 144023232317. The next prime is 144023232329. The reversal of 144023232321 is 123232320441.

144023232321 is a `hidden beast` number, since 1 + 4 + 402 + 3 + 23 + 232 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10477569600 + 133545662721 = 102360^2 + 365439^2 .

It is not a de Polignac number, because 144023232321 - 2² = 144023232317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144023232329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 730845 + ... + 906741.

It is an arithmetic number, because the mean of its divisors is an integer number (17336418931).

Almost surely, 2^144023232321 is an apocalyptic number.

It is an amenable number.

144023232321 is a deficient number, since it is larger than the sum of its proper divisors (64013794851).

144023232321 is a wasteful number, since it uses less digits than its factorization.

144023232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266880 (or 266877 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 144023232321 its reverse (123232320441), we get a palindrome (267255552762).

The spelling of 144023232321 in words is "one hundred forty-four billion, twenty-three million, two hundred thirty-two thousand, three hundred twenty-one".