201134423001 has 4 divisors (see below), whose sum is σ = 268179230672. Its totient is φ = 134089615332.

The previous prime is 201134422991. The next prime is 201134423059. The reversal of 201134423001 is 100324431102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 201134423001 - 2⁷ = 201134422873 is a prime.

It is a super-2 number, since 2×201134423001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201134423071) 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, 33522403831 + ... + 33522403836.

It is an arithmetic number, because the mean of its divisors is an integer number (67044807668).

Almost surely, 2^201134423001 is an apocalyptic number.

It is an amenable number.

201134423001 is a deficient number, since it is larger than the sum of its proper divisors (67044807671).

201134423001 is an equidigital number, since it uses as much as digits as its factorization.

201134423001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67044807670.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201134423001 its reverse (100324431102), we get a palindrome (301458854103).

The spelling of 201134423001 in words is "two hundred one billion, one hundred thirty-four million, four hundred twenty-three thousand, one".