2057923 has 4 divisors (see below), whose sum is σ = 2351920. Its totient is φ = 1763928.

The previous prime is 2057921. The next prime is 2057933. The reversal of 2057923 is 3297502.

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 2057923 - 2¹ = 2057921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2057891 and 2057900.

It is not an unprimeable number, because it can be changed into a prime (2057921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146988 + ... + 147001.

It is an arithmetic number, because the mean of its divisors is an integer number (587980).

2^2057923 is an apocalyptic number.

2057923 is a deficient number, since it is larger than the sum of its proper divisors (293997).

2057923 is an equidigital number, since it uses as much as digits as its factorization.

2057923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293996.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 2057923 is about 1434.5462697313. The cubic root of 2057923 is about 127.1968551033.

It can be divided in two parts, 20579 and 23, that added together give a palindrome (20602).

The spelling of 2057923 in words is "two million, fifty-seven thousand, nine hundred twenty-three".