11223963 has 6 divisors (see below), whose sum is σ = 16212404. Its totient is φ = 7482636.

The previous prime is 11223941. The next prime is 11223973. The reversal of 11223963 is 36932211.

It is not a de Polignac number, because 11223963 - 2²⁰ = 10175387 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11223923) 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 5 ways as a sum of consecutive naturals, for example, 623545 + ... + 623562.

Almost surely, 2^11223963 is an apocalyptic number.

11223963 is a deficient number, since it is larger than the sum of its proper divisors (4988441).

11223963 is a wasteful number, since it uses less digits than its factorization.

11223963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247113 (or 1247110 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 11223963 is about 3350.2183510930. The cubic root of 11223963 is about 223.8972410792.

The spelling of 11223963 in words is "eleven million, two hundred twenty-three thousand, nine hundred sixty-three".