11123893 has 12 divisors (see below), whose sum is σ = 12329100. Its totient is φ = 10028480.

The previous prime is 11123887. The next prime is 11123923. The reversal of 11123893 is 39832111.

It can be written as a sum of positive squares in 2 ways, for example, as 736164 + 10387729 = 858^2 + 3223^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11123893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17721 + ... + 18337.

It is an arithmetic number, because the mean of its divisors is an integer number (1027425).

Almost surely, 2^11123893 is an apocalyptic number.

It is an amenable number.

11123893 is a deficient number, since it is larger than the sum of its proper divisors (1205207).

11123893 is a wasteful number, since it uses less digits than its factorization.

11123893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 777 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 11123893 is about 3335.2500655873. The cubic root of 11123893 is about 223.2298500800.

It can be divided in two parts, 1112 and 3893, that added together give a palindrome (5005).

The spelling of 11123893 in words is "eleven million, one hundred twenty-three thousand, eight hundred ninety-three".