201503424423 has 8 divisors (see below), whose sum is σ = 307052837248. Its totient is φ = 115144813944.

The previous prime is 201503424361. The next prime is 201503424443. The reversal of 201503424423 is 324424305102.

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

It is not a de Polignac number, because 201503424423 - 2¹⁴ = 201503408039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201503424443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4797700561 + ... + 4797700602.

It is an arithmetic number, because the mean of its divisors is an integer number (38381604656).

Almost surely, 2^201503424423 is an apocalyptic number.

201503424423 is a deficient number, since it is larger than the sum of its proper divisors (105549412825).

201503424423 is an equidigital number, since it uses as much as digits as its factorization.

201503424423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9595401173.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 201503424423 its reverse (324424305102), we get a palindrome (525927729525).

The spelling of 201503424423 in words is "two hundred one billion, five hundred three million, four hundred twenty-four thousand, four hundred twenty-three".