123210223 has 2 divisors, whose sum is σ = 123210224. Its totient is φ = 123210222.

The previous prime is 123210211. The next prime is 123210229. The reversal of 123210223 is 322012321.

It is a strong prime.

It is an emirp because it is prime and its reverse (322012321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123210223 - 2²¹ = 121113071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123210197 and 123210206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123210229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61605111 + 61605112.

It is an arithmetic number, because the mean of its divisors is an integer number (61605112).

Almost surely, 2^123210223 is an apocalyptic number.

123210223 is a deficient number, since it is larger than the sum of its proper divisors (1).

123210223 is an equidigital number, since it uses as much as digits as its factorization.

123210223 is an odious number, because the sum of its binary digits is odd.

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

The square root of 123210223 is about 11100.0100450405. The cubic root of 123210223 is about 497.6021496768.

Adding to 123210223 its reverse (322012321), we get a palindrome (445222544).

The spelling of 123210223 in words is "one hundred twenty-three million, two hundred ten thousand, two hundred twenty-three".