723005384851 has 2 divisors, whose sum is σ = 723005384852. Its totient is φ = 723005384850.

The previous prime is 723005384809. The next prime is 723005384861. The reversal of 723005384851 is 158483500327.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-723005384851 is a prime.

It is not a weakly prime, because it can be changed into another prime (723005384861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361502692425 + 361502692426.

It is an arithmetic number, because the mean of its divisors is an integer number (361502692426).

Almost surely, 2^723005384851 is an apocalyptic number.

723005384851 is a deficient number, since it is larger than the sum of its proper divisors (1).

723005384851 is an equidigital number, since it uses as much as digits as its factorization.

723005384851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 723005384851 in words is "seven hundred twenty-three billion, five million, three hundred eighty-four thousand, eight hundred fifty-one".