723116907 has 6 divisors (see below), whose sum is σ = 1044502212. Its totient is φ = 482077932.

The previous prime is 723116897. The next prime is 723116909. The reversal of 723116907 is 709611327.

It is a happy number.

It is not a de Polignac number, because 723116907 - 2⁸ = 723116651 is a prime.

It is a super-2 number, since 2×723116907² = 1045796122378493298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (723116909) 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 5 ways as a sum of consecutive naturals, for example, 40173153 + ... + 40173170.

It is an arithmetic number, because the mean of its divisors is an integer number (174083702).

Almost surely, 2^723116907 is an apocalyptic number.

723116907 is a deficient number, since it is larger than the sum of its proper divisors (321385305).

723116907 is a wasteful number, since it uses less digits than its factorization.

723116907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80346329 (or 80346326 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 723116907 is about 26890.8331406820. The cubic root of 723116907 is about 897.5724320880.

The spelling of 723116907 in words is "seven hundred twenty-three million, one hundred sixteen thousand, nine hundred seven".