8911123 has 4 divisors (see below), whose sum is σ = 9596608. Its totient is φ = 8225640.

The previous prime is 8911103. The next prime is 8911141. The reversal of 8911123 is 3211198.

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-8911123 is a prime.

It is a super-2 number, since 2×8911123² = 158816226242258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8911103) 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 in 3 ways as a sum of consecutive naturals, for example, 342723 + ... + 342748.

It is an arithmetic number, because the mean of its divisors is an integer number (2399152).

Almost surely, 2^8911123 is an apocalyptic number.

8911123 is a deficient number, since it is larger than the sum of its proper divisors (685485).

8911123 is a wasteful number, since it uses less digits than its factorization.

8911123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685484.

The product of its digits is 432, while the sum is 25.

The square root of 8911123 is about 2985.1504149707. The cubic root of 8911123 is about 207.3214063047.

The spelling of 8911123 in words is "eight million, nine hundred eleven thousand, one hundred twenty-three".