11163123 has 12 divisors (see below), whose sum is σ = 16563720. Its totient is φ = 7430508.

The previous prime is 11163121. The next prime is 11163149. The reversal of 11163123 is 32136111.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

11163123 is a `hidden beast` number, since 1 + 11 + 631 + 23 = 666.

It is not a de Polignac number, because 11163123 - 2¹ = 11163121 is a prime.

It is a super-2 number, since 2×11163123² = 249230630226258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11163096 and 11163105.

It is not an unprimeable number, because it can be changed into a prime (11163121) 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, 17040 + ... + 17682.

It is an arithmetic number, because the mean of its divisors is an integer number (1380310).

Almost surely, 2^11163123 is an apocalyptic number.

11163123 is a deficient number, since it is larger than the sum of its proper divisors (5400597).

11163123 is an frugal number, since it uses more digits than its factorization.

11163123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 646 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 11163123 is about 3341.1260078004. The cubic root of 11163123 is about 223.4919595324.

Multiplying 11163123 by its product of digits (108), we get a square (1205617284 = 34722²).

Adding to 11163123 its reverse (32136111), we get a palindrome (43299234).

The spelling of 11163123 in words is "eleven million, one hundred sixty-three thousand, one hundred twenty-three".