11090923 has 4 divisors (see below), whose sum is σ = 11117088. Its totient is φ = 11064760.

The previous prime is 11090921. The next prime is 11090941. The reversal of 11090923 is 32909011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11090923 - 2¹ = 11090921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11090921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12436 + ... + 13297.

It is an arithmetic number, because the mean of its divisors is an integer number (2779272).

Almost surely, 2^11090923 is an apocalyptic number.

11090923 is a deficient number, since it is larger than the sum of its proper divisors (26165).

11090923 is an equidigital number, since it uses as much as digits as its factorization.

11090923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26164.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 11090923 is about 3330.3037399012. The cubic root of 11090923 is about 223.0090888934.

Adding to 11090923 its reverse (32909011), we get a palindrome (43999934).

The spelling of 11090923 in words is "eleven million, ninety thousand, nine hundred twenty-three".