201010223 has 4 divisors (see below), whose sum is σ = 207941640. Its totient is φ = 194078808.

The previous prime is 201010219. The next prime is 201010283. The reversal of 201010223 is 322010102.

It is a happy number.

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 201010223 - 2² = 201010219 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 (201010213) 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, 3465665 + ... + 3465722.

It is an arithmetic number, because the mean of its divisors is an integer number (51985410).

Almost surely, 2^201010223 is an apocalyptic number.

201010223 is a deficient number, since it is larger than the sum of its proper divisors (6931417).

201010223 is an equidigital number, since it uses as much as digits as its factorization.

201010223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6931416.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 201010223 is about 14177.8074115852. The cubic root of 201010223 is about 585.7865310987.

Adding to 201010223 its reverse (322010102), we get a palindrome (523020325).

The spelling of 201010223 in words is "two hundred one million, ten thousand, two hundred twenty-three".