144420423403 has 8 divisors (see below), whose sum is σ = 144690270608. Its totient is φ = 144150741504.

The previous prime is 144420423401. The next prime is 144420423421. The reversal of 144420423403 is 304324024441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144420423403 - 2¹ = 144420423401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144420423401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782175 + ... + 1861447.

It is an arithmetic number, because the mean of its divisors is an integer number (18086283826).

Almost surely, 2^144420423403 is an apocalyptic number.

144420423403 is a deficient number, since it is larger than the sum of its proper divisors (269847205).

144420423403 is an equidigital number, since it uses as much as digits as its factorization.

144420423403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82653.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 144420423403 its reverse (304324024441), we get a palindrome (448744447844).

The spelling of 144420423403 in words is "one hundred forty-four billion, four hundred twenty million, four hundred twenty-three thousand, four hundred three".