20321122343 has 2 divisors, whose sum is σ = 20321122344. Its totient is φ = 20321122342.

The previous prime is 20321122337. The next prime is 20321122369. The reversal of 20321122343 is 34322112302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20321122343 - 2¹⁸ = 20320860199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20321122373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160561171 + 10160561172.

It is an arithmetic number, because the mean of its divisors is an integer number (10160561172).

Almost surely, 2^20321122343 is an apocalyptic number.

20321122343 is a deficient number, since it is larger than the sum of its proper divisors (1).

20321122343 is an equidigital number, since it uses as much as digits as its factorization.

20321122343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20321122343 its reverse (34322112302), we get a palindrome (54643234645).

The spelling of 20321122343 in words is "twenty billion, three hundred twenty-one million, one hundred twenty-two thousand, three hundred forty-three".