716436823 has 4 divisors (see below), whose sum is σ = 728579880. Its totient is φ = 704293768.

The previous prime is 716436767. The next prime is 716436841. The reversal of 716436823 is 328634617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 328634617 = 233 ⋅1410449.

It is a cyclic number.

It is not a de Polignac number, because 716436823 - 2⁹ = 716436311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716436863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6071440 + ... + 6071557.

It is an arithmetic number, because the mean of its divisors is an integer number (182144970).

Almost surely, 2^716436823 is an apocalyptic number.

716436823 is a deficient number, since it is larger than the sum of its proper divisors (12143057).

716436823 is a wasteful number, since it uses less digits than its factorization.

716436823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12143056.

The product of its digits is 145152, while the sum is 40.

The square root of 716436823 is about 26766.3374969382. The cubic root of 716436823 is about 894.7999815187.

The spelling of 716436823 in words is "seven hundred sixteen million, four hundred thirty-six thousand, eight hundred twenty-three".