650071223 has 4 divisors (see below), whose sum is σ = 651709080. Its totient is φ = 648433368.

The previous prime is 650071207. The next prime is 650071229. The reversal of 650071223 is 322170056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 650071223 - 2⁴ = 650071207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 650071192 and 650071201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650071229) 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, 818333 + ... + 819126.

It is an arithmetic number, because the mean of its divisors is an integer number (162927270).

Almost surely, 2^650071223 is an apocalyptic number.

650071223 is a deficient number, since it is larger than the sum of its proper divisors (1637857).

650071223 is a wasteful number, since it uses less digits than its factorization.

650071223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637856.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 650071223 is about 25496.4943276522. The cubic root of 650071223 is about 866.2707432355.

The spelling of 650071223 in words is "six hundred fifty million, seventy-one thousand, two hundred twenty-three".