723973323 has 16 divisors (see below), whose sum is σ = 1008737280. Its totient is φ = 460990464.

The previous prime is 723973319. The next prime is 723973331. The reversal of 723973323 is 323379327.

It is not a de Polignac number, because 723973323 - 2² = 723973319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (723973363) 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 15 ways as a sum of consecutive naturals, for example, 42315 + ... + 56907.

It is an arithmetic number, because the mean of its divisors is an integer number (63046080).

Almost surely, 2^723973323 is an apocalyptic number.

723973323 is a deficient number, since it is larger than the sum of its proper divisors (284763957).

723973323 is a wasteful number, since it uses less digits than its factorization.

723973323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15338.

The product of its digits is 142884, while the sum is 39.

The square root of 723973323 is about 26906.7523681324. The cubic root of 723973323 is about 897.9266358221.

The spelling of 723973323 in words is "seven hundred twenty-three million, nine hundred seventy-three thousand, three hundred twenty-three".