723416 has 16 divisors (see below), whose sum is σ = 1400640. Its totient is φ = 349920.

The previous prime is 723413. The next prime is 723421. The reversal of 723416 is 614327.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 723391 and 723400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723413) 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, 1211 + ... + 1706.

It is an arithmetic number, because the mean of its divisors is an integer number (87540).

2⁷²³⁴¹⁶ is an apocalyptic number.

It is an amenable number.

723416 is a deficient number, since it is larger than the sum of its proper divisors (677224).

723416 is a wasteful number, since it uses less digits than its factorization.

723416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954 (or 2950 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 723416 is about 850.5386528548. The cubic root of 723416 is about 89.7696165251.

The spelling of 723416 in words is "seven hundred twenty-three thousand, four hundred sixteen".