144321001403 has 4 divisors (see below), whose sum is σ = 144495513720. Its totient is φ = 144146489088.

The previous prime is 144321001393. The next prime is 144321001411. The reversal of 144321001403 is 304100123441.

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 144321001403 - 2¹² = 144320997307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144321001463) 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, 87254918 + ... + 87256571.

It is an arithmetic number, because the mean of its divisors is an integer number (36123878430).

Almost surely, 2^144321001403 is an apocalyptic number.

144321001403 is a deficient number, since it is larger than the sum of its proper divisors (174512317).

144321001403 is an equidigital number, since it uses as much as digits as its factorization.

144321001403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174512316.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 144321001403 its reverse (304100123441), we get a palindrome (448421124844).

The spelling of 144321001403 in words is "one hundred forty-four billion, three hundred twenty-one million, one thousand, four hundred three".