11123653 has 4 divisors (see below), whose sum is σ = 11171628. Its totient is φ = 11075680.

The previous prime is 11123647. The next prime is 11123657. The reversal of 11123653 is 35632111.

It is a happy number.

11123653 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 613089 + 10510564 = 783^2 + 3242^2 .

It is a cyclic number.

It is not a de Polignac number, because 11123653 - 2⁵ = 11123621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123657) 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, 23638 + ... + 24103.

It is an arithmetic number, because the mean of its divisors is an integer number (2792907).

Almost surely, 2^11123653 is an apocalyptic number.

It is an amenable number.

11123653 is a deficient number, since it is larger than the sum of its proper divisors (47975).

11123653 is an equidigital number, since it uses as much as digits as its factorization.

11123653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47974.

The product of its digits is 540, while the sum is 22.

The square root of 11123653 is about 3335.2140860820. The cubic root of 11123653 is about 223.2282446603.

Adding to 11123653 its reverse (35632111), we get a palindrome (46755764).

The spelling of 11123653 in words is "eleven million, one hundred twenty-three thousand, six hundred fifty-three".