201204223 has 4 divisors (see below), whose sum is σ = 219495528. Its totient is φ = 182912920.

The previous prime is 201204173. The next prime is 201204239. The reversal of 201204223 is 322402102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201204223 - 2¹³ = 201196031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201204197 and 201204206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201204823) 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, 9145636 + ... + 9145657.

It is an arithmetic number, because the mean of its divisors is an integer number (54873882).

Almost surely, 2^201204223 is an apocalyptic number.

201204223 is a deficient number, since it is larger than the sum of its proper divisors (18291305).

201204223 is a wasteful number, since it uses less digits than its factorization.

201204223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18291304.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 201204223 is about 14184.6474401023. The cubic root of 201204223 is about 585.9749229213.

Adding to 201204223 its reverse (322402102), we get a palindrome (523606325).

The spelling of 201204223 in words is "two hundred one million, two hundred four thousand, two hundred twenty-three".