11273623 has 4 divisors (see below), whose sum is σ = 11314600. Its totient is φ = 11232648.

The previous prime is 11273579. The next prime is 11273629. The reversal of 11273623 is 32637211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32637211 = 727 ⋅44893.

It is a cyclic number.

It is not a de Polignac number, because 11273623 - 2⁹ = 11273111 is a prime.

It is a super-2 number, since 2×11273623² = 254189151092258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11273629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20073 + ... + 20626.

It is an arithmetic number, because the mean of its divisors is an integer number (2828650).

Almost surely, 2^11273623 is an apocalyptic number.

11273623 is a deficient number, since it is larger than the sum of its proper divisors (40977).

11273623 is an equidigital number, since it uses as much as digits as its factorization.

11273623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40976.

The product of its digits is 1512, while the sum is 25.

The square root of 11273623 is about 3357.6216284745. The cubic root of 11273623 is about 224.2269635678.

The spelling of 11273623 in words is "eleven million, two hundred seventy-three thousand, six hundred twenty-three".