201044344423 has 16 divisors (see below), whose sum is σ = 223572971776. Its totient is φ = 179529073920.

The previous prime is 201044344409. The next prime is 201044344439. The reversal of 201044344423 is 324443440102.

It is a cyclic number.

It is not a de Polignac number, because 201044344423 - 2¹⁷ = 201044213351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201044344463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064065 + ... + 1238677.

It is an arithmetic number, because the mean of its divisors is an integer number (13973310736).

Almost surely, 2^201044344423 is an apocalyptic number.

201044344423 is a deficient number, since it is larger than the sum of its proper divisors (22528627353).

201044344423 is a wasteful number, since it uses less digits than its factorization.

201044344423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177514.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 201044344423 its reverse (324443440102), we get a palindrome (525487784525).

The spelling of 201044344423 in words is "two hundred one billion, forty-four million, three hundred forty-four thousand, four hundred twenty-three".