650680623 has 12 divisors (see below), whose sum is σ = 948496120. Its totient is φ = 429806736.

The previous prime is 650680621. The next prime is 650680637. The reversal of 650680623 is 326086056.

650680623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 650680623 - 2¹ = 650680621 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 (650680621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 330661 + ... + 332622.

Almost surely, 2^650680623 is an apocalyptic number.

650680623 is a deficient number, since it is larger than the sum of its proper divisors (297815497).

650680623 is a wasteful number, since it uses less digits than its factorization.

650680623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663398 (or 663395 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 650680623 is about 25508.4421907728. The cubic root of 650680623 is about 866.5413497470.

The spelling of 650680623 in words is "six hundred fifty million, six hundred eighty thousand, six hundred twenty-three".