11502223 has 4 divisors (see below), whose sum is σ = 11640888. Its totient is φ = 11363560.

The previous prime is 11502187. The next prime is 11502229. The reversal of 11502223 is 32220511.

11502223 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, and also an emirpimes, since its reverse is a distinct semiprime: 32220511 = 1321 ⋅24391.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11502223 is a prime.

It is a super-2 number, since 2×11502223² = 264602267883458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11502197 and 11502206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11502229) 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 3 ways as a sum of consecutive naturals, for example, 69208 + ... + 69373.

It is an arithmetic number, because the mean of its divisors is an integer number (2910222).

Almost surely, 2^11502223 is an apocalyptic number.

11502223 is a deficient number, since it is larger than the sum of its proper divisors (138665).

11502223 is an equidigital number, since it uses as much as digits as its factorization.

11502223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138664.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 11502223 is about 3391.4927391932. The cubic root of 11502223 is about 225.7324149187.

Adding to 11502223 its reverse (32220511), we get a palindrome (43722734).

The spelling of 11502223 in words is "eleven million, five hundred two thousand, two hundred twenty-three".