144123132321 has 24 divisors (see below), whose sum is σ = 251912703744. Its totient is φ = 77511600000.

The previous prime is 144123132319. The next prime is 144123132337. The reversal of 144123132321 is 123231321441.

144123132321 is a `hidden beast` number, since 1 + 4 + 412 + 3 + 13 + 232 + 1 = 666.

It is not a de Polignac number, because 144123132321 - 2¹ = 144123132319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144123132221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67283305 + ... + 67285446.

It is an arithmetic number, because the mean of its divisors is an integer number (10496362656).

Almost surely, 2^144123132321 is an apocalyptic number.

It is an amenable number.

144123132321 is a deficient number, since it is larger than the sum of its proper divisors (107789571423).

144123132321 is a wasteful number, since it uses less digits than its factorization.

144123132321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134568781 (or 134568778 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 144123132321 its reverse (123231321441), we get a palindrome (267354453762).

The spelling of 144123132321 in words is "one hundred forty-four billion, one hundred twenty-three million, one hundred thirty-two thousand, three hundred twenty-one".