11904623 has 4 divisors (see below), whose sum is σ = 11913168. Its totient is φ = 11896080.

The previous prime is 11904611. The next prime is 11904631. The reversal of 11904623 is 32640911.

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, and also an emirpimes, since its reverse is a distinct semiprime: 32640911 = 601 ⋅54311.

It is a cyclic number.

It is not a de Polignac number, because 11904623 - 2⁶ = 11904559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11904592 and 11904601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11904223) 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, 1643 + ... + 5148.

It is an arithmetic number, because the mean of its divisors is an integer number (2978292).

Almost surely, 2^11904623 is an apocalyptic number.

11904623 is a deficient number, since it is larger than the sum of its proper divisors (8545).

11904623 is an equidigital number, since it uses as much as digits as its factorization.

11904623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8544.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 11904623 is about 3450.3076674407. The cubic root of 11904623 is about 228.3346821215.

The spelling of 11904623 in words is "eleven million, nine hundred four thousand, six hundred twenty-three".