201044434223 has 4 divisors (see below), whose sum is σ = 201130389720. Its totient is φ = 200958478728.

The previous prime is 201044434177. The next prime is 201044434229. The reversal of 201044434223 is 322434440102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322434440102 = 2 ⋅161217220051.

It is a cyclic number.

It is not a de Polignac number, because 201044434223 - 2⁶ = 201044434159 is a prime.

It is a super-2 number, since 2×201044434223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201044434229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42974240 + ... + 42978917.

It is an arithmetic number, because the mean of its divisors is an integer number (50282597430).

Almost surely, 2^201044434223 is an apocalyptic number.

201044434223 is a deficient number, since it is larger than the sum of its proper divisors (85955497).

201044434223 is an equidigital number, since it uses as much as digits as its factorization.

201044434223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85955496.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 201044434223 its reverse (322434440102), we get a palindrome (523478874325).

The spelling of 201044434223 in words is "two hundred one billion, forty-four million, four hundred thirty-four thousand, two hundred twenty-three".