11159923 has 2 divisors, whose sum is σ = 11159924. Its totient is φ = 11159922.

The previous prime is 11159921. The next prime is 11159927. The reversal of 11159923 is 32995111.

It is a happy number.

11159923 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 an emirp because it is prime and its reverse (32995111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11159923 - 2¹ = 11159921 is a prime.

Together with 11159921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11159921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5579961 + 5579962.

It is an arithmetic number, because the mean of its divisors is an integer number (5579962).

Almost surely, 2^11159923 is an apocalyptic number.

11159923 is a deficient number, since it is larger than the sum of its proper divisors (1).

11159923 is an equidigital number, since it uses as much as digits as its factorization.

11159923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430, while the sum is 31.

The square root of 11159923 is about 3340.6470930046. The cubic root of 11159923 is about 223.4706022289.

The spelling of 11159923 in words is "eleven million, one hundred fifty-nine thousand, nine hundred twenty-three".