20834323 has 2 divisors, whose sum is σ = 20834324. Its totient is φ = 20834322.

The previous prime is 20834321. The next prime is 20834327. The reversal of 20834323 is 32343802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20834323 - 2¹ = 20834321 is a prime.

Together with 20834321, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20834321) 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, 10417161 + 10417162.

It is an arithmetic number, because the mean of its divisors is an integer number (10417162).

Almost surely, 2^20834323 is an apocalyptic number.

20834323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20834323 is an equidigital number, since it uses as much as digits as its factorization.

20834323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 20834323 is about 4564.4630571405. The cubic root of 20834323 is about 275.1649610820.

The spelling of 20834323 in words is "twenty million, eight hundred thirty-four thousand, three hundred twenty-three".