650520323 has 2 divisors, whose sum is σ = 650520324. Its totient is φ = 650520322.

The previous prime is 650520307. The next prime is 650520329. The reversal of 650520323 is 323025056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 650520323 - 2⁴ = 650520307 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 650520292 and 650520301.

It is not a weakly prime, because it can be changed into another prime (650520329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325260161 + 325260162.

It is an arithmetic number, because the mean of its divisors is an integer number (325260162).

Almost surely, 2^650520323 is an apocalyptic number.

650520323 is a deficient number, since it is larger than the sum of its proper divisors (1).

650520323 is an equidigital number, since it uses as much as digits as its factorization.

650520323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 650520323 is about 25505.2999002168. The cubic root of 650520323 is about 866.4701842720.

Adding to 650520323 its reverse (323025056), we get a palindrome (973545379).

The spelling of 650520323 in words is "six hundred fifty million, five hundred twenty thousand, three hundred twenty-three".