11153923 has 4 divisors (see below), whose sum is σ = 12167928. Its totient is φ = 10139920.

The previous prime is 11153881. The next prime is 11153929. The reversal of 11153923 is 32935111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11153923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11153929) 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, 506986 + ... + 507007.

It is an arithmetic number, because the mean of its divisors is an integer number (3041982).

Almost surely, 2^11153923 is an apocalyptic number.

11153923 is a deficient number, since it is larger than the sum of its proper divisors (1014005).

11153923 is a wasteful number, since it uses less digits than its factorization.

11153923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014004.

The product of its digits is 810, while the sum is 25.

The square root of 11153923 is about 3339.7489426602. The cubic root of 11153923 is about 223.4305462781.

The spelling of 11153923 in words is "eleven million, one hundred fifty-three thousand, nine hundred twenty-three".