11020405423 has 2 divisors, whose sum is σ = 11020405424. Its totient is φ = 11020405422.

The previous prime is 11020405411. The next prime is 11020405463. The reversal of 11020405423 is 32450402011.

11020405423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11020405423 - 2²⁵ = 10986850991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11020405394 and 11020405403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11020405463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510202711 + 5510202712.

It is an arithmetic number, because the mean of its divisors is an integer number (5510202712).

Almost surely, 2^11020405423 is an apocalyptic number.

11020405423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020405423 is an equidigital number, since it uses as much as digits as its factorization.

11020405423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 11020405423 its reverse (32450402011), we get a palindrome (43470807434).

The spelling of 11020405423 in words is "eleven billion, twenty million, four hundred five thousand, four hundred twenty-three".