723338913 has 8 divisors (see below), whose sum is σ = 1052129376. Its totient is φ = 438387200.

The previous prime is 723338893. The next prime is 723338921. The reversal of 723338913 is 319833327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 723338913 - 2⁸ = 723338657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (723338713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10959648 + ... + 10959713.

It is an arithmetic number, because the mean of its divisors is an integer number (131516172).

Almost surely, 2^723338913 is an apocalyptic number.

It is an amenable number.

723338913 is a deficient number, since it is larger than the sum of its proper divisors (328790463).

723338913 is a wasteful number, since it uses less digits than its factorization.

723338913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21919375.

The product of its digits is 81648, while the sum is 39.

The square root of 723338913 is about 26894.9607361677. The cubic root of 723338913 is about 897.6642780373.

The spelling of 723338913 in words is "seven hundred twenty-three million, three hundred thirty-eight thousand, nine hundred thirteen".