723719376947 has 20 divisors (see below), whose sum is σ = 845583806400. Its totient is φ = 619379581968.

The previous prime is 723719376911. The next prime is 723719376971. The reversal of 723719376947 is 749673917327.

It is not a de Polignac number, because 723719376947 - 2⁸ = 723719376691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (723719375947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1337054 + ... + 1798652.

It is an arithmetic number, because the mean of its divisors is an integer number (42279190320).

Almost surely, 2^723719376947 is an apocalyptic number.

723719376947 is a deficient number, since it is larger than the sum of its proper divisors (121864429453).

723719376947 is an frugal number, since it uses more digits than its factorization.

723719376947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462280 (or 462259 counting only the distinct ones).

The product of its digits is 84015792, while the sum is 65.

The spelling of 723719376947 in words is "seven hundred twenty-three billion, seven hundred nineteen million, three hundred seventy-six thousand, nine hundred forty-seven".