201503413044423 has 72 divisors (see below), whose sum is σ = 341073991908000. Its totient is φ = 114297842848896.

The previous prime is 201503413044421. The next prime is 201503413044469. The reversal of 201503413044423 is 324440314305102.

201503413044423 is a `hidden beast` number, since 2 + 0 + 1 + 5 + 0 + 341 + 304 + 4 + 4 + 2 + 3 = 666.

It is not a de Polignac number, because 201503413044423 - 2¹ = 201503413044421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201503413044421) 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 71 ways as a sum of consecutive naturals, for example, 100395273 + ... + 102382701.

It is an arithmetic number, because the mean of its divisors is an integer number (4737138776500).

Almost surely, 2^{201503413044423} is an apocalyptic number.

201503413044423 is a deficient number, since it is larger than the sum of its proper divisors (139570578863577).

201503413044423 is a wasteful number, since it uses less digits than its factorization.

201503413044423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989141 (or 1989131 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 201503413044423 its reverse (324440314305102), we get a palindrome (525943727349525).

The spelling of 201503413044423 in words is "two hundred one trillion, five hundred three billion, four hundred thirteen million, forty-four thousand, four hundred twenty-three".