20411035421323 has 2 divisors, whose sum is σ = 20411035421324. Its totient is φ = 20411035421322.

The previous prime is 20411035421303. The next prime is 20411035421333. The reversal of 20411035421323 is 32312453011402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20411035421323 is a prime.

It is a super-2 number, since 2×20411035421323² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20411035421303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205517710661 + 10205517710662.

It is an arithmetic number, because the mean of its divisors is an integer number (10205517710662).

Almost surely, 2^{20411035421323} is an apocalyptic number.

20411035421323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20411035421323 is an equidigital number, since it uses as much as digits as its factorization.

20411035421323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 20411035421323 its reverse (32312453011402), we get a palindrome (52723488432725).

The spelling of 20411035421323 in words is "twenty trillion, four hundred eleven billion, thirty-five million, four hundred twenty-one thousand, three hundred twenty-three".