4249723 has 2 divisors, whose sum is σ = 4249724. Its totient is φ = 4249722.

The previous prime is 4249717. The next prime is 4249741. The reversal of 4249723 is 3279424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4249723 - 2⁹ = 4249211 is a prime.

It is not a weakly prime, because it can be changed into another prime (4249703) 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 as a sum of consecutive naturals, namely, 2124861 + 2124862.

It is an arithmetic number, because the mean of its divisors is an integer number (2124862).

Almost surely, 2^4249723 is an apocalyptic number.

4249723 is a deficient number, since it is larger than the sum of its proper divisors (1).

4249723 is an equidigital number, since it uses as much as digits as its factorization.

4249723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 4249723 is about 2061.4856293460. The cubic root of 4249723 is about 161.9770708797.

Subtracting from 4249723 its reverse (3279424), we obtain a cube (970299 = 99³).

The spelling of 4249723 in words is "four million, two hundred forty-nine thousand, seven hundred twenty-three".