11227823 has 4 divisors (see below), whose sum is σ = 11263560. Its totient is φ = 11192088.

The previous prime is 11227819. The next prime is 11227849. The reversal of 11227823 is 32872211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32872211 = 1009 ⋅32579.

It is a cyclic number.

It is not a de Polignac number, because 11227823 - 2² = 11227819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11227792 and 11227801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11227883) 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, 17393 + ... + 18026.

It is an arithmetic number, because the mean of its divisors is an integer number (2815890).

Almost surely, 2^11227823 is an apocalyptic number.

11227823 is a deficient number, since it is larger than the sum of its proper divisors (35737).

11227823 is an equidigital number, since it uses as much as digits as its factorization.

11227823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35736.

The product of its digits is 1344, while the sum is 26.

The square root of 11227823 is about 3350.7943834261. The cubic root of 11227823 is about 223.9229047507.

The spelling of 11227823 in words is "eleven million, two hundred twenty-seven thousand, eight hundred twenty-three".