11331623 has 4 divisors (see below), whose sum is σ = 11340408. Its totient is φ = 11322840.

The previous prime is 11331611. The next prime is 11331641. The reversal of 11331623 is 32613311.

It is a happy number.

11331623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11331623 - 2¹⁸ = 11069479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331595 and 11331604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331823) 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, 2036 + ... + 5177.

It is an arithmetic number, because the mean of its divisors is an integer number (2835102).

Almost surely, 2^11331623 is an apocalyptic number.

11331623 is a deficient number, since it is larger than the sum of its proper divisors (8785).

11331623 is an equidigital number, since it uses as much as digits as its factorization.

11331623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8784.

The product of its digits is 324, while the sum is 20.

The square root of 11331623 is about 3366.2476141841. The cubic root of 11331623 is about 224.6108367507.

Adding to 11331623 its reverse (32613311), we get a palindrome (43944934).

The spelling of 11331623 in words is "eleven million, three hundred thirty-one thousand, six hundred twenty-three".