2493923 has 2 divisors, whose sum is σ = 2493924. Its totient is φ = 2493922.

The previous prime is 2493877. The next prime is 2493929. The reversal of 2493923 is 3293942.

2493923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2493923 - 2⁶ = 2493859 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2493923.

It is not a weakly prime, because it can be changed into another prime (2493929) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246961 + 1246962.

It is an arithmetic number, because the mean of its divisors is an integer number (1246962).

2^2493923 is an apocalyptic number.

2493923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2493923 is an equidigital number, since it uses as much as digits as its factorization.

2493923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 32.

The square root of 2493923 is about 1579.2159447017. The cubic root of 2493923 is about 135.6108214984.

The spelling of 2493923 in words is "two million, four hundred ninety-three thousand, nine hundred twenty-three".