11099923 has 2 divisors, whose sum is σ = 11099924. Its totient is φ = 11099922.

The previous prime is 11099917. The next prime is 11099941. The reversal of 11099923 is 32999011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11099923 - 2⁹ = 11099411 is a prime.

It is not a weakly prime, because it can be changed into another prime (11099903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5549961 + 5549962.

It is an arithmetic number, because the mean of its divisors is an integer number (5549962).

Almost surely, 2^11099923 is an apocalyptic number.

11099923 is a deficient number, since it is larger than the sum of its proper divisors (1).

11099923 is an equidigital number, since it uses as much as digits as its factorization.

11099923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 11099923 is about 3331.6546939922. The cubic root of 11099923 is about 223.0693946391.

The spelling of 11099923 in words is "eleven million, ninety-nine thousand, nine hundred twenty-three".