210342323 has 2 divisors, whose sum is σ = 210342324. Its totient is φ = 210342322.

The previous prime is 210342317. The next prime is 210342329. The reversal of 210342323 is 323243012.

It is a balanced prime because it is at equal distance from previous prime (210342317) and next prime (210342329).

It is a cyclic number.

It is not a de Polignac number, because 210342323 - 2¹⁴ = 210325939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210342295 and 210342304.

It is not a weakly prime, because it can be changed into another prime (210342329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105171161 + 105171162.

It is an arithmetic number, because the mean of its divisors is an integer number (105171162).

Almost surely, 2^210342323 is an apocalyptic number.

210342323 is a deficient number, since it is larger than the sum of its proper divisors (1).

210342323 is an equidigital number, since it uses as much as digits as its factorization.

210342323 is an odious number, because the sum of its binary digits is odd.

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

The square root of 210342323 is about 14503.1832023180. The cubic root of 210342323 is about 594.7149947331.

Adding to 210342323 its reverse (323243012), we get a palindrome (533585335).

The spelling of 210342323 in words is "two hundred ten million, three hundred forty-two thousand, three hundred twenty-three".