201012223 has 4 divisors (see below), whose sum is σ = 201047968. Its totient is φ = 200976480.

The previous prime is 201012221. The next prime is 201012239. The reversal of 201012223 is 322210102.

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 201012223 - 2¹ = 201012221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012221) 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, 7386 + ... + 21367.

It is an arithmetic number, because the mean of its divisors is an integer number (50261992).

Almost surely, 2^201012223 is an apocalyptic number.

201012223 is a deficient number, since it is larger than the sum of its proper divisors (35745).

201012223 is an equidigital number, since it uses as much as digits as its factorization.

201012223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35744.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 201012223 is about 14177.8779441777. The cubic root of 201012223 is about 585.7884739006.

Adding to 201012223 its reverse (322210102), we get a palindrome (523222325).

The spelling of 201012223 in words is "two hundred one million, twelve thousand, two hundred twenty-three".