11620223 has 4 divisors (see below), whose sum is σ = 11636448. Its totient is φ = 11604000.

The previous prime is 11620211. The next prime is 11620243. The reversal of 11620223 is 32202611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32202611 = 7 ⋅4600373.

It is a cyclic number.

It is not a de Polignac number, because 11620223 - 2⁶ = 11620159 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 (11620243) 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, 6986 + ... + 8487.

It is an arithmetic number, because the mean of its divisors is an integer number (2909112).

Almost surely, 2^11620223 is an apocalyptic number.

11620223 is a deficient number, since it is larger than the sum of its proper divisors (16225).

11620223 is an equidigital number, since it uses as much as digits as its factorization.

11620223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16224.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 11620223 is about 3408.8448189966. The cubic root of 11620223 is about 226.5017112505.

Adding to 11620223 its reverse (32202611), we get a palindrome (43822834).

The spelling of 11620223 in words is "eleven million, six hundred twenty thousand, two hundred twenty-three".