720269323 has 4 divisors (see below), whose sum is σ = 727000920. Its totient is φ = 713537728.

The previous prime is 720269287. The next prime is 720269339. The reversal of 720269323 is 323962027.

720269323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323962027 = 19 ⋅17050633.

It is a cyclic number.

It is not a de Polignac number, because 720269323 - 2⁹ = 720268811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720269353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3365638 + ... + 3365851.

It is an arithmetic number, because the mean of its divisors is an integer number (181750230).

Almost surely, 2^720269323 is an apocalyptic number.

720269323 is a deficient number, since it is larger than the sum of its proper divisors (6731597).

720269323 is a wasteful number, since it uses less digits than its factorization.

720269323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6731596.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 720269323 is about 26837.8337985762. The cubic root of 720269323 is about 896.3926895811.

The spelling of 720269323 in words is "seven hundred twenty million, two hundred sixty-nine thousand, three hundred twenty-three".