11261223 has 6 divisors (see below), whose sum is σ = 16266224. Its totient is φ = 7507476.

The previous prime is 11261221. The next prime is 11261231. The reversal of 11261223 is 32216211.

It is not a de Polignac number, because 11261223 - 2¹ = 11261221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11261196 and 11261205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11261221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625615 + ... + 625632.

Almost surely, 2^11261223 is an apocalyptic number.

11261223 is a deficient number, since it is larger than the sum of its proper divisors (5005001).

11261223 is a wasteful number, since it uses less digits than its factorization.

11261223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251253 (or 1251250 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 11261223 is about 3355.7745752657. The cubic root of 11261223 is about 224.1447233872.

Adding to 11261223 its reverse (32216211), we get a palindrome (43477434).

The spelling of 11261223 in words is "eleven million, two hundred sixty-one thousand, two hundred twenty-three".