20348323 has 2 divisors, whose sum is σ = 20348324. Its totient is φ = 20348322.

The previous prime is 20348309. The next prime is 20348329. The reversal of 20348323 is 32384302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20348323 is a prime.

It is not a weakly prime, because it can be changed into another prime (20348329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10174161 + 10174162.

It is an arithmetic number, because the mean of its divisors is an integer number (10174162).

Almost surely, 2^20348323 is an apocalyptic number.

20348323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20348323 is an equidigital number, since it uses as much as digits as its factorization.

20348323 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 20348323 is about 4510.9115486784. The cubic root of 20348323 is about 273.0085243797.

The spelling of 20348323 in words is "twenty million, three hundred forty-eight thousand, three hundred twenty-three".