11240723 has 16 divisors (see below), whose sum is σ = 13497120. Its totient is φ = 9248256.

The previous prime is 11240707. The next prime is 11240743. The reversal of 11240723 is 32704211.

11240723 = T₂₀₂ + T₂₀₃ + ... + T₄₂₂.

It is a cyclic number.

It is not a de Polignac number, because 11240723 - 2⁴ = 11240707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11240695 and 11240704.

It is not an unprimeable number, because it can be changed into a prime (11240743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2861 + ... + 5537.

It is an arithmetic number, because the mean of its divisors is an integer number (843570).

Almost surely, 2^11240723 is an apocalyptic number.

11240723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11240723 is a deficient number, since it is larger than the sum of its proper divisors (2256397).

11240723 is a wasteful number, since it uses less digits than its factorization.

11240723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 11240723 is about 3352.7187475242. The cubic root of 11240723 is about 224.0086292913.

Adding to 11240723 its reverse (32704211), we get a palindrome (43944934).

The spelling of 11240723 in words is "eleven million, two hundred forty thousand, seven hundred twenty-three".