5143230665 has 4 divisors (see below), whose sum is σ = 6171876804. Its totient is φ = 4114584528.

The previous prime is 5143230647. The next prime is 5143230671. The reversal of 5143230665 is 5660323415.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2832794176 + 2310436489 = 53224^2 + 48067^2 .

It is a cyclic number.

It is not a de Polignac number, because 5143230665 - 2¹⁶ = 5143165129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514323062 + ... + 514323071.

It is an arithmetic number, because the mean of its divisors is an integer number (1542969201).

Almost surely, 2^5143230665 is an apocalyptic number.

It is an amenable number.

5143230665 is a deficient number, since it is larger than the sum of its proper divisors (1028646139).

5143230665 is a wasteful number, since it uses less digits than its factorization.

5143230665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028646138.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 5143230665 is about 71716.3207714952. The cubic root of 5143230665 is about 1726.1505356759.

The spelling of 5143230665 in words is "five billion, one hundred forty-three million, two hundred thirty thousand, six hundred sixty-five".