11000123 has 8 divisors (see below), whose sum is σ = 11155200. Its totient is φ = 10846440.

The previous prime is 11000113. The next prime is 11000149. The reversal of 11000123 is 32100011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11000123 - 2²⁰ = 9951547 is a prime.

It is a Duffinian number.

11000123 is a modest number, since divided by 123 gives 110 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 11000123.

It is not an unprimeable number, because it can be changed into a prime (11000113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33068 + ... + 33398.

It is an arithmetic number, because the mean of its divisors is an integer number (1394400).

Almost surely, 2^11000123 is an apocalyptic number.

11000123 is a deficient number, since it is larger than the sum of its proper divisors (155077).

11000123 is a wasteful number, since it uses less digits than its factorization.

11000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 11000123 is about 3316.6433332513. The cubic root of 11000123 is about 222.3988379919.

Adding to 11000123 its reverse (32100011), we get a palindrome (43100134).

The spelling of 11000123 in words is "eleven million, one hundred twenty-three", and thus it is an aban number.