210243323 has 2 divisors, whose sum is σ = 210243324. Its totient is φ = 210243322.

The previous prime is 210243289. The next prime is 210243331. The reversal of 210243323 is 323342012.

210243323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210243323 - 2²⁰ = 209194747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210243295 and 210243304.

It is not a weakly prime, because it can be changed into another prime (210243343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105121661 + 105121662.

It is an arithmetic number, because the mean of its divisors is an integer number (105121662).

Almost surely, 2^210243323 is an apocalyptic number.

210243323 is a deficient number, since it is larger than the sum of its proper divisors (1).

210243323 is an equidigital number, since it uses as much as digits as its factorization.

210243323 is an evil number, because the sum of its binary digits is even.

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

The square root of 210243323 is about 14499.7697567927. The cubic root of 210243323 is about 594.6216769721.

Adding to 210243323 its reverse (323342012), we get a palindrome (533585335).

The spelling of 210243323 in words is "two hundred ten million, two hundred forty-three thousand, three hundred twenty-three".