6653823 has 16 divisors (see below), whose sum is σ = 9745536. Its totient is φ = 4004640.

The previous prime is 6653813. The next prime is 6653827. The reversal of 6653823 is 3283566.

6653823 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6653823 - 2¹⁰ = 6652799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6653827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4761 + ... + 5997.

It is an arithmetic number, because the mean of its divisors is an integer number (609096).

Almost surely, 2^6653823 is an apocalyptic number.

6653823 is a deficient number, since it is larger than the sum of its proper divisors (3091713).

6653823 is a wasteful number, since it uses less digits than its factorization.

6653823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414.

The product of its digits is 25920, while the sum is 33.

The square root of 6653823 is about 2579.5005330490. The cubic root of 6653823 is about 188.0862645457.

The spelling of 6653823 in words is "six million, six hundred fifty-three thousand, eight hundred twenty-three".