4023928705 has 4 divisors (see below), whose sum is σ = 4828714452. Its totient is φ = 3219142960.

The previous prime is 4023928663. The next prime is 4023928709. The reversal of 4023928705 is 5078293204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1890597361 + 2133331344 = 43481^2 + 46188^2 .

It is not a de Polignac number, because 4023928705 - 2¹¹ = 4023926657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4023928709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402392866 + ... + 402392875.

It is an arithmetic number, because the mean of its divisors is an integer number (1207178613).

Almost surely, 2^4023928705 is an apocalyptic number.

It is an amenable number.

4023928705 is a deficient number, since it is larger than the sum of its proper divisors (804785747).

4023928705 is an equidigital number, since it uses as much as digits as its factorization.

4023928705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804785746.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 4023928705 is about 63434.4441529994. Note that the first 3 decimals coincide. The cubic root of 4023928705 is about 1590.5601318840.

The spelling of 4023928705 in words is "four billion, twenty-three million, nine hundred twenty-eight thousand, seven hundred five".