2148823 has 4 divisors (see below), whose sum is σ = 2152008. Its totient is φ = 2145640.

The previous prime is 2148803. The next prime is 2148857. The reversal of 2148823 is 3288412.

2148823 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.

It is a cyclic number.

It is not a de Polignac number, because 2148823 - 2⁵ = 2148791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2148791 and 2148800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136 + ... + 2077.

It is an arithmetic number, because the mean of its divisors is an integer number (538002).

2^2148823 is an apocalyptic number.

2148823 is a deficient number, since it is larger than the sum of its proper divisors (3185).

2148823 is an equidigital number, since it uses as much as digits as its factorization.

2148823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184.

The product of its digits is 3072, while the sum is 28.

The square root of 2148823 is about 1465.8864212482. The cubic root of 2148823 is about 129.0427316720.

The spelling of 2148823 in words is "two million, one hundred forty-eight thousand, eight hundred twenty-three".