11243623 has 4 divisors (see below), whose sum is σ = 11355048. Its totient is φ = 11132200.

The previous prime is 11243621. The next prime is 11243627. The reversal of 11243623 is 32634211.

11243623 is digitally balanced in base 2, 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 is a cyclic number.

It is not a de Polignac number, because 11243623 - 2¹ = 11243621 is a prime.

It is a super-4 number, since 4×11243623⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11243594 and 11243603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243621) 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, 55561 + ... + 55762.

It is an arithmetic number, because the mean of its divisors is an integer number (2838762).

Almost surely, 2^11243623 is an apocalyptic number.

11243623 is a deficient number, since it is larger than the sum of its proper divisors (111425).

11243623 is a wasteful number, since it uses less digits than its factorization.

11243623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111424.

The product of its digits is 864, while the sum is 22.

The square root of 11243623 is about 3353.1512044642. The cubic root of 11243623 is about 224.0278916693.

Adding to 11243623 its reverse (32634211), we get a palindrome (43877834).

The spelling of 11243623 in words is "eleven million, two hundred forty-three thousand, six hundred twenty-three".