210113223 has 4 divisors (see below), whose sum is σ = 280150968. Its totient is φ = 140075480.

The previous prime is 210113213. The next prime is 210113279. The reversal of 210113223 is 322311012.

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 210113223 - 2⁶ = 210113159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210113203) 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, 35018868 + ... + 35018873.

It is an arithmetic number, because the mean of its divisors is an integer number (70037742).

Almost surely, 2^210113223 is an apocalyptic number.

210113223 is a deficient number, since it is larger than the sum of its proper divisors (70037745).

210113223 is an equidigital number, since it uses as much as digits as its factorization.

210113223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70037744.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 210113223 is about 14495.2827844096. The cubic root of 210113223 is about 594.4989996831.

Adding to 210113223 its reverse (322311012), we get a palindrome (532424235).

The spelling of 210113223 in words is "two hundred ten million, one hundred thirteen thousand, two hundred twenty-three".