20023343 has 2 divisors, whose sum is σ = 20023344. Its totient is φ = 20023342.

The previous prime is 20023313. The next prime is 20023379. The reversal of 20023343 is 34332002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20023343 - 2⁶ = 20023279 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20023313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011671 + 10011672.

It is an arithmetic number, because the mean of its divisors is an integer number (10011672).

Almost surely, 2^20023343 is an apocalyptic number.

20023343 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023343 is an equidigital number, since it uses as much as digits as its factorization.

20023343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 20023343 is about 4474.7450206688. The cubic root of 20023343 is about 271.5473250181.

Adding to 20023343 its reverse (34332002), we get a palindrome (54355345).

The spelling of 20023343 in words is "twenty million, twenty-three thousand, three hundred forty-three".