11455823 has 4 divisors (see below), whose sum is σ = 11510328. Its totient is φ = 11401320.

The previous prime is 11455811. The next prime is 11455837. The reversal of 11455823 is 32855411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11455823 - 2¹⁰ = 11454799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11455883) 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, 26936 + ... + 27357.

It is an arithmetic number, because the mean of its divisors is an integer number (2877582).

Almost surely, 2^11455823 is an apocalyptic number.

11455823 is a deficient number, since it is larger than the sum of its proper divisors (54505).

11455823 is an equidigital number, since it uses as much as digits as its factorization.

11455823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54504.

The product of its digits is 4800, while the sum is 29.

The square root of 11455823 is about 3384.6451808129. The cubic root of 11455823 is about 225.4284707817.

The spelling of 11455823 in words is "eleven million, four hundred fifty-five thousand, eight hundred twenty-three".