11140140123 has 12 divisors (see below), whose sum is σ = 18390072688. Its totient is φ = 6365794320.

The previous prime is 11140140071. The next prime is 11140140139. The reversal of 11140140123 is 32104104111.

It is not a de Polignac number, because 11140140123 - 2⁸ = 11140139867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11140140096 and 11140140105.

It is not an unprimeable number, because it can be changed into a prime (11140140163) 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, 88413748 + ... + 88413873.

Almost surely, 2^11140140123 is an apocalyptic number.

11140140123 is a deficient number, since it is larger than the sum of its proper divisors (7249932565).

11140140123 is a wasteful number, since it uses less digits than its factorization.

11140140123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176827634 (or 176827631 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 11140140123 its reverse (32104104111), we get a palindrome (43244244234).

The spelling of 11140140123 in words is "eleven billion, one hundred forty million, one hundred forty thousand, one hundred twenty-three".