723450663 has 16 divisors (see below), whose sum is σ = 1154223840. Its totient is φ = 445200192.

The previous prime is 723450661. The next prime is 723450727. The reversal of 723450663 is 366054327.

It is not a de Polignac number, because 723450663 - 2¹ = 723450661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723450661) 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 in 15 ways as a sum of consecutive naturals, for example, 1030206 + ... + 1030907.

It is an arithmetic number, because the mean of its divisors is an integer number (72138990).

Almost surely, 2^723450663 is an apocalyptic number.

723450663 is a deficient number, since it is larger than the sum of its proper divisors (430773177).

723450663 is a wasteful number, since it uses less digits than its factorization.

723450663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061135 (or 2061129 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 723450663 is about 26897.0381826699. The cubic root of 723450663 is about 897.7105029423.

The spelling of 723450663 in words is "seven hundred twenty-three million, four hundred fifty thousand, six hundred sixty-three".