723453716 has 12 divisors (see below), whose sum is σ = 1266241620. Its totient is φ = 361670400.

The previous prime is 723453713. The next prime is 723453743. The reversal of 723453716 is 617354327.

It can be written as a sum of positive squares in 2 ways, for example, as 513203716 + 210250000 = 22654^2 + 14500^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 723453716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723453713) 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, 30116 + ... + 48516.

It is an arithmetic number, because the mean of its divisors is an integer number (105520135).

Almost surely, 2^723453716 is an apocalyptic number.

It is an amenable number.

723453716 is a deficient number, since it is larger than the sum of its proper divisors (542787904).

723453716 is a wasteful number, since it uses less digits than its factorization.

723453716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28234 (or 28232 counting only the distinct ones).

The product of its digits is 105840, while the sum is 38.

The square root of 723453716 is about 26897.0949360707. The cubic root of 723453716 is about 897.7117657358.

The spelling of 723453716 in words is "seven hundred twenty-three million, four hundred fifty-three thousand, seven hundred sixteen".