201354424523 has 16 divisors (see below), whose sum is σ = 230657566464. Its totient is φ = 172186166880.

The previous prime is 201354424519. The next prime is 201354424541. The reversal of 201354424523 is 325424453102.

It is a happy number.

201354424523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201354424523 - 2² = 201354424519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201354424553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8147261 + ... + 8171937.

It is an arithmetic number, because the mean of its divisors is an integer number (14416097904).

Almost surely, 2^201354424523 is an apocalyptic number.

201354424523 is a deficient number, since it is larger than the sum of its proper divisors (29303141941).

201354424523 is a wasteful number, since it uses less digits than its factorization.

201354424523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27362.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 201354424523 its reverse (325424453102), we get a palindrome (526778877625).

The spelling of 201354424523 in words is "two hundred one billion, three hundred fifty-four million, four hundred twenty-four thousand, five hundred twenty-three".