201423142535 has 4 divisors (see below), whose sum is σ = 241707771048. Its totient is φ = 161138514024.

The previous prime is 201423142511. The next prime is 201423142577. The reversal of 201423142535 is 535241324102.

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 201423142535 - 2⁶ = 201423142471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20142314249 + ... + 20142314258.

It is an arithmetic number, because the mean of its divisors is an integer number (60426942762).

Almost surely, 2^201423142535 is an apocalyptic number.

201423142535 is a deficient number, since it is larger than the sum of its proper divisors (40284628513).

201423142535 is an equidigital number, since it uses as much as digits as its factorization.

201423142535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40284628512.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 201423142535 its reverse (535241324102), we get a palindrome (736664466637).

The spelling of 201423142535 in words is "two hundred one billion, four hundred twenty-three million, one hundred forty-two thousand, five hundred thirty-five".