201044404423 has 2 divisors, whose sum is σ = 201044404424. Its totient is φ = 201044404422.

The previous prime is 201044404367. The next prime is 201044404471. The reversal of 201044404423 is 324404440102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201044404423 - 2¹⁷ = 201044273351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201044404391 and 201044404400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201044404723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100522202211 + 100522202212.

It is an arithmetic number, because the mean of its divisors is an integer number (100522202212).

Almost surely, 2^201044404423 is an apocalyptic number.

201044404423 is a deficient number, since it is larger than the sum of its proper divisors (1).

201044404423 is an equidigital number, since it uses as much as digits as its factorization.

201044404423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 201044404423 its reverse (324404440102), we get a palindrome (525448844525).

The spelling of 201044404423 in words is "two hundred one billion, forty-four million, four hundred four thousand, four hundred twenty-three".