210123030223 has 4 divisors (see below), whose sum is σ = 211777542400. Its totient is φ = 208468518048.

The previous prime is 210123030217. The next prime is 210123030253. The reversal of 210123030223 is 322030321012.

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 210123030223 - 2²⁹ = 209586159311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210123030223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210123030253) 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, 827255898 + ... + 827256151.

It is an arithmetic number, because the mean of its divisors is an integer number (52944385600).

Almost surely, 2^210123030223 is an apocalyptic number.

210123030223 is a deficient number, since it is larger than the sum of its proper divisors (1654512177).

210123030223 is a wasteful number, since it uses less digits than its factorization.

210123030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654512176.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 210123030223 its reverse (322030321012), we get a palindrome (532153351235).

The spelling of 210123030223 in words is "two hundred ten billion, one hundred twenty-three million, thirty thousand, two hundred twenty-three".