201444223 has 2 divisors, whose sum is σ = 201444224. Its totient is φ = 201444222.

The previous prime is 201444181. The next prime is 201444227. The reversal of 201444223 is 322444102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201444223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201444194 and 201444203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201444227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100722111 + 100722112.

It is an arithmetic number, because the mean of its divisors is an integer number (100722112).

Almost surely, 2^201444223 is an apocalyptic number.

201444223 is a deficient number, since it is larger than the sum of its proper divisors (1).

201444223 is an equidigital number, since it uses as much as digits as its factorization.

201444223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 201444223 is about 14193.1047695703. The cubic root of 201444223 is about 586.2078174725.

Adding to 201444223 its reverse (322444102), we get a palindrome (523888325).

The spelling of 201444223 in words is "two hundred one million, four hundred forty-four thousand, two hundred twenty-three".