11140123 has 4 divisors (see below), whose sum is σ = 11350368. Its totient is φ = 10929880.

The previous prime is 11140111. The next prime is 11140141. The reversal of 11140123 is 32104111.

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-11140123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11140183) 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, 105043 + ... + 105148.

It is an arithmetic number, because the mean of its divisors is an integer number (2837592).

Almost surely, 2^11140123 is an apocalyptic number.

11140123 is a deficient number, since it is larger than the sum of its proper divisors (210245).

11140123 is an equidigital number, since it uses as much as digits as its factorization.

11140123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210244.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11140123 is about 3337.6822796665. The cubic root of 11140123 is about 223.3383630461.

Adding to 11140123 its reverse (32104111), we get a palindrome (43244234).

The spelling of 11140123 in words is "eleven million, one hundred forty thousand, one hundred twenty-three".