11420223309 has 24 divisors (see below), whose sum is σ = 18006300000. Its totient is φ = 6917195040.

The previous prime is 11420223289. The next prime is 11420223323. The reversal of 11420223309 is 90332202411.

It is a happy number.

11420223309 is a `hidden beast` number, since 1 + 1 + 420 + 2 + 233 + 0 + 9 = 666.

11420223309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11420223309 - 2⁹ = 11420222797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420223329) 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 23 ways as a sum of consecutive naturals, for example, 135442 + ... + 202940.

It is an arithmetic number, because the mean of its divisors is an integer number (750262500).

Almost surely, 2^11420223309 is an apocalyptic number.

It is an amenable number.

11420223309 is a deficient number, since it is larger than the sum of its proper divisors (6586076691).

11420223309 is a wasteful number, since it uses less digits than its factorization.

11420223309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69225 (or 69222 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 11420223309 in words is "eleven billion, four hundred twenty million, two hundred twenty-three thousand, three hundred nine".