8230703945 has 4 divisors (see below), whose sum is σ = 9876844740. Its totient is φ = 6584563152.

The previous prime is 8230703863. The next prime is 8230703951. The reversal of 8230703945 is 5493070328.

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 1809566521 + 6421137424 = 42539^2 + 80132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8230703945 is a prime.

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, 823070390 + ... + 823070399.

It is an arithmetic number, because the mean of its divisors is an integer number (2469211185).

Almost surely, 2^8230703945 is an apocalyptic number.

It is an amenable number.

8230703945 is a deficient number, since it is larger than the sum of its proper divisors (1646140795).

8230703945 is a wasteful number, since it uses less digits than its factorization.

8230703945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646140794.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 8230703945 is about 90723.2271526978. The cubic root of 8230703945 is about 2019.0434271790.

The spelling of 8230703945 in words is "eight billion, two hundred thirty million, seven hundred three thousand, nine hundred forty-five".