723685069 has 4 divisors (see below), whose sum is σ = 726713280. Its totient is φ = 720656860.

The previous prime is 723685043. The next prime is 723685073. The reversal of 723685069 is 960586327.

723685069 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 723685069 - 2⁹ = 723684557 is a prime.

It is a super-2 number, since 2×723685069² = 1047440158187069522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723685969) 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, 1513747 + ... + 1514224.

It is an arithmetic number, because the mean of its divisors is an integer number (181678320).

Almost surely, 2^723685069 is an apocalyptic number.

It is an amenable number.

723685069 is a deficient number, since it is larger than the sum of its proper divisors (3028211).

723685069 is a wasteful number, since it uses less digits than its factorization.

723685069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028210.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 723685069 is about 26901.3952983855. The cubic root of 723685069 is about 897.8074485098.

The spelling of 723685069 in words is "seven hundred twenty-three million, six hundred eighty-five thousand, sixty-nine".