201044431323 has 64 divisors (see below), whose sum is σ = 324075479040. Its totient is φ = 122664844800.

The previous prime is 201044431319. The next prime is 201044431361. The reversal of 201044431323 is 323134440102.

201044431323 is a `hidden beast` number, since 201 + 0 + 4 + 4 + 431 + 3 + 23 = 666.

It is not a de Polignac number, because 201044431323 - 2² = 201044431319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (201044431373) 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 63 ways as a sum of consecutive naturals, for example, 57587608 + ... + 57591098.

It is an arithmetic number, because the mean of its divisors is an integer number (5063679360).

Almost surely, 2^201044431323 is an apocalyptic number.

201044431323 is a deficient number, since it is larger than the sum of its proper divisors (123031047717).

201044431323 is a wasteful number, since it uses less digits than its factorization.

201044431323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945 (or 6939 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 201044431323 its reverse (323134440102), we get a palindrome (524178871425).

The spelling of 201044431323 in words is "two hundred one billion, forty-four million, four hundred thirty-one thousand, three hundred twenty-three".