650520023 has 2 divisors, whose sum is σ = 650520024. Its totient is φ = 650520022.

The previous prime is 650520007. The next prime is 650520041. The reversal of 650520023 is 320025056.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 650520023 - 2⁴ = 650520007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650520223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325260011 + 325260012.

It is an arithmetic number, because the mean of its divisors is an integer number (325260012).

Almost surely, 2^650520023 is an apocalyptic number.

650520023 is a deficient number, since it is larger than the sum of its proper divisors (1).

650520023 is an equidigital number, since it uses as much as digits as its factorization.

650520023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 650520023 is about 25505.2940190855. The cubic root of 650520023 is about 866.4700510755.

Adding to 650520023 its reverse (320025056), we get a palindrome (970545079).

The spelling of 650520023 in words is "six hundred fifty million, five hundred twenty thousand, twenty-three".