11130723 has 8 divisors (see below), whose sum is σ = 16490000. Its totient is φ = 7420464.

The previous prime is 11130683. The next prime is 11130727. The reversal of 11130723 is 32703111.

It is not a de Polignac number, because 11130723 - 2⁶ = 11130659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11130696 and 11130705.

It is not an unprimeable number, because it can be changed into a prime (11130727) 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, 206098 + ... + 206151.

It is an arithmetic number, because the mean of its divisors is an integer number (2061250).

Almost surely, 2^11130723 is an apocalyptic number.

11130723 is a deficient number, since it is larger than the sum of its proper divisors (5359277).

11130723 is an equidigital number, since it uses as much as digits as its factorization.

11130723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412258 (or 412252 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 11130723 is about 3336.2738196977. The cubic root of 11130723 is about 223.2755279716.

Adding to 11130723 its reverse (32703111), we get a palindrome (43833834).

The spelling of 11130723 in words is "eleven million, one hundred thirty thousand, seven hundred twenty-three".