11133420423 has 8 divisors (see below), whose sum is σ = 14847583488. Its totient is φ = 7420768824.

The previous prime is 11133420407. The next prime is 11133420427. The reversal of 11133420423 is 32402433111.

It is a happy number.

11133420423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11133420423 - 2⁴ = 11133420407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11133420393 and 11133420402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133420427) 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 in 7 ways as a sum of consecutive naturals, for example, 360565 + ... + 390222.

It is an arithmetic number, because the mean of its divisors is an integer number (1855947936).

Almost surely, 2^11133420423 is an apocalyptic number.

11133420423 is a deficient number, since it is larger than the sum of its proper divisors (3714163065).

11133420423 is an equidigital number, since it uses as much as digits as its factorization.

11133420423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755733.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11133420423 its reverse (32402433111), we get a palindrome (43535853534).

The spelling of 11133420423 in words is "eleven billion, one hundred thirty-three million, four hundred twenty thousand, four hundred twenty-three".