4581723823 has 2 divisors, whose sum is σ = 4581723824. Its totient is φ = 4581723822.

The previous prime is 4581723803. The next prime is 4581723953. The reversal of 4581723823 is 3283271854.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4581723823 - 2¹³ = 4581715631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4581723823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4581723803) 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 as a sum of consecutive naturals, namely, 2290861911 + 2290861912.

It is an arithmetic number, because the mean of its divisors is an integer number (2290861912).

Almost surely, 2^4581723823 is an apocalyptic number.

4581723823 is a deficient number, since it is larger than the sum of its proper divisors (1).

4581723823 is an equidigital number, since it uses as much as digits as its factorization.

4581723823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The square root of 4581723823 is about 67688.4319732700. The cubic root of 4581723823 is about 1660.8980265818.

The spelling of 4581723823 in words is "four billion, five hundred eighty-one million, seven hundred twenty-three thousand, eight hundred twenty-three".