650198023 has 2 divisors, whose sum is σ = 650198024. Its totient is φ = 650198022.

The previous prime is 650197991. The next prime is 650198033. The reversal of 650198023 is 320891056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 650198023 - 2⁵ = 650197991 is a prime.

It is a super-2 number, since 2×650198023² = 845514938226217058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 650198023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650198033) 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, 325099011 + 325099012.

It is an arithmetic number, because the mean of its divisors is an integer number (325099012).

Almost surely, 2^650198023 is an apocalyptic number.

650198023 is a deficient number, since it is larger than the sum of its proper divisors (1).

650198023 is an equidigital number, since it uses as much as digits as its factorization.

650198023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 650198023 is about 25498.9808227702. The cubic root of 650198023 is about 866.3270632126.

The spelling of 650198023 in words is "six hundred fifty million, one hundred ninety-eight thousand, twenty-three".