20343411323 has 2 divisors, whose sum is σ = 20343411324. Its totient is φ = 20343411322.

The previous prime is 20343411317. The next prime is 20343411331. The reversal of 20343411323 is 32311434302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20343411323 - 2³⁴ = 3163542139 is a prime.

It is a super-2 number, since 2×20343411323² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20343411292 and 20343411301.

It is not a weakly prime, because it can be changed into another prime (20343411383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10171705661 + 10171705662.

It is an arithmetic number, because the mean of its divisors is an integer number (10171705662).

Almost surely, 2^20343411323 is an apocalyptic number.

20343411323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20343411323 is an equidigital number, since it uses as much as digits as its factorization.

20343411323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20343411323 its reverse (32311434302), we get a palindrome (52654845625).

The spelling of 20343411323 in words is "twenty billion, three hundred forty-three million, four hundred eleven thousand, three hundred twenty-three".