20423113411 has 2 divisors, whose sum is σ = 20423113412. Its totient is φ = 20423113410.

The previous prime is 20423113409. The next prime is 20423113427. The reversal of 20423113411 is 11431132402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20423113411 - 2¹ = 20423113409 is a prime.

It is a super-2 number, since 2×20423113411² (a number of 21 digits) contains 22 as substring.

Together with 20423113409, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20423113481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10211556705 + 10211556706.

It is an arithmetic number, because the mean of its divisors is an integer number (10211556706).

Almost surely, 2^20423113411 is an apocalyptic number.

20423113411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20423113411 is an equidigital number, since it uses as much as digits as its factorization.

20423113411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20423113411 its reverse (11431132402), we get a palindrome (31854245813).

The spelling of 20423113411 in words is "twenty billion, four hundred twenty-three million, one hundred thirteen thousand, four hundred eleven".