210123223 has 8 divisors (see below), whose sum is σ = 224809520. Its totient is φ = 195799680.

The previous prime is 210123203. The next prime is 210123253. The reversal of 210123223 is 322321012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210123223 - 2⁵ = 210123191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210123197 and 210123206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210123203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89490 + ... + 91807.

It is an arithmetic number, because the mean of its divisors is an integer number (28101190).

Almost surely, 2^210123223 is an apocalyptic number.

210123223 is a deficient number, since it is larger than the sum of its proper divisors (14686297).

210123223 is a wasteful number, since it uses less digits than its factorization.

210123223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181377.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 210123223 is about 14495.6277201093. The cubic root of 210123223 is about 594.5084309405.

Adding to 210123223 its reverse (322321012), we get a palindrome (532444235).

The spelling of 210123223 in words is "two hundred ten million, one hundred twenty-three thousand, two hundred twenty-three".