11783623 has 4 divisors (see below), whose sum is σ = 11801368. Its totient is φ = 11765880.

The previous prime is 11783617. The next prime is 11783641. The reversal of 11783623 is 32638711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32638711 = 7 ⋅4662673.

It is a cyclic number.

It is not a de Polignac number, because 11783623 - 2⁹ = 11783111 is a prime.

It is a super-2 number, since 2×11783623² = 277707542012258, 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 (11783683) 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, 7836 + ... + 9217.

It is an arithmetic number, because the mean of its divisors is an integer number (2950342).

Almost surely, 2^11783623 is an apocalyptic number.

11783623 is a deficient number, since it is larger than the sum of its proper divisors (17745).

11783623 is an equidigital number, since it uses as much as digits as its factorization.

11783623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17744.

The product of its digits is 6048, while the sum is 31.

The square root of 11783623 is about 3432.7282152830. The cubic root of 11783623 is about 227.5584392800.

The spelling of 11783623 in words is "eleven million, seven hundred eighty-three thousand, six hundred twenty-three".