210203230223 has 4 divisors (see below), whose sum is σ = 240232263120. Its totient is φ = 180174197328.

The previous prime is 210203230187. The next prime is 210203230261. The reversal of 210203230223 is 322032302012.

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 210203230223 - 2²² = 210199035919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210203230195 and 210203230204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210203280223) 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, 15014516438 + ... + 15014516451.

It is an arithmetic number, because the mean of its divisors is an integer number (60058065780).

Almost surely, 2^210203230223 is an apocalyptic number.

210203230223 is a deficient number, since it is larger than the sum of its proper divisors (30029032897).

210203230223 is an equidigital number, since it uses as much as digits as its factorization.

210203230223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30029032896.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 210203230223 its reverse (322032302012), we get a palindrome (532235532235).

The spelling of 210203230223 in words is "two hundred ten billion, two hundred three million, two hundred thirty thousand, two hundred twenty-three".