11653243 has 8 divisors (see below), whose sum is σ = 13517312. Its totient is φ = 9839016.

The previous prime is 11653231. The next prime is 11653277. The reversal of 11653243 is 34235611.

11653243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11653243 - 2⁹ = 11652731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11653643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11955 + ... + 12892.

It is an arithmetic number, because the mean of its divisors is an integer number (1689664).

Almost surely, 2^11653243 is an apocalyptic number.

11653243 is a deficient number, since it is larger than the sum of its proper divisors (1864069).

11653243 is an equidigital number, since it uses as much as digits as its factorization.

11653243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24921.

The product of its digits is 2160, while the sum is 25.

The square root of 11653243 is about 3413.6846661635. The cubic root of 11653243 is about 226.7160506105.

Adding to 11653243 its reverse (34235611), we get a palindrome (45888854).

The spelling of 11653243 in words is "eleven million, six hundred fifty-three thousand, two hundred forty-three".