11923559393 has 4 divisors (see below), whose sum is σ = 12125653680. Its totient is φ = 11721465108.

The previous prime is 11923559369. The next prime is 11923559411. The reversal of 11923559393 is 39395532911.

It is a happy number.

11923559393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11923559393 - 2²² = 11919365089 is a prime.

It is a super-3 number, since 3×11923559393³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11923559363) 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 3 ways as a sum of consecutive naturals, for example, 101047055 + ... + 101047172.

It is an arithmetic number, because the mean of its divisors is an integer number (3031413420).

Almost surely, 2^11923559393 is an apocalyptic number.

It is an amenable number.

11923559393 is a deficient number, since it is larger than the sum of its proper divisors (202094287).

11923559393 is an equidigital number, since it uses as much as digits as its factorization.

11923559393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202094286.

The product of its digits is 984150, while the sum is 50.

The spelling of 11923559393 in words is "eleven billion, nine hundred twenty-three million, five hundred fifty-nine thousand, three hundred ninety-three".