505680623 has 8 divisors (see below), whose sum is σ = 611916192. Its totient is φ = 407943936.

The previous prime is 505680607. The next prime is 505680629. The reversal of 505680623 is 326086505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505680623 - 2⁴ = 505680607 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 (505680629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2124590 + ... + 2124827.

It is an arithmetic number, because the mean of its divisors is an integer number (76489524).

Almost surely, 2^505680623 is an apocalyptic number.

505680623 is a deficient number, since it is larger than the sum of its proper divisors (106235569).

505680623 is a wasteful number, since it uses less digits than its factorization.

505680623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249441.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 505680623 is about 22487.3436181333. The cubic root of 505680623 is about 796.6950230235.

The spelling of 505680623 in words is "five hundred five million, six hundred eighty thousand, six hundred twenty-three".