201132340423 has 4 divisors (see below), whose sum is σ = 229865531920. Its totient is φ = 172399148928.

The previous prime is 201132340417. The next prime is 201132340433. The reversal of 201132340423 is 324043231102.

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 201132340423 - 2⁵ = 201132340391 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 (201132340433) 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 3 ways as a sum of consecutive naturals, for example, 14366595738 + ... + 14366595751.

It is an arithmetic number, because the mean of its divisors is an integer number (57466382980).

Almost surely, 2^201132340423 is an apocalyptic number.

201132340423 is a deficient number, since it is larger than the sum of its proper divisors (28733191497).

201132340423 is an equidigital number, since it uses as much as digits as its factorization.

201132340423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28733191496.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 201132340423 its reverse (324043231102), we get a palindrome (525175571525).

The spelling of 201132340423 in words is "two hundred one billion, one hundred thirty-two million, three hundred forty thousand, four hundred twenty-three".