2144923 has 8 divisors (see below), whose sum is σ = 2352960. Its totient is φ = 1939080.

The previous prime is 2144899. The next prime is 2144951. The reversal of 2144923 is 3294412.

2144923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2144923 - 2¹³ = 2136731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144953) 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 7 ways as a sum of consecutive naturals, for example, 2068 + ... + 2926.

It is an arithmetic number, because the mean of its divisors is an integer number (294120).

2^2144923 is an apocalyptic number.

2144923 is a deficient number, since it is larger than the sum of its proper divisors (208037).

2144923 is a wasteful number, since it uses less digits than its factorization.

2144923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097.

The product of its digits is 1728, while the sum is 25.

The square root of 2144923 is about 1464.5555639852. Note that the first 4 decimals coincide. The cubic root of 2144923 is about 128.9646158185.

It can be divided in two parts, 21 and 44923, that added together give a palindrome (44944).

The spelling of 2144923 in words is "two million, one hundred forty-four thousand, nine hundred twenty-three".