2321043065 has 32 divisors (see below), whose sum is σ = 3285702144. Its totient is φ = 1554903040.

The previous prime is 2321043019. The next prime is 2321043077. The reversal of 2321043065 is 5603401232.

It is not a de Polignac number, because 2321043065 - 2⁶ = 2321043001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17537 + ... + 70353.

It is an arithmetic number, because the mean of its divisors is an integer number (102678192).

Almost surely, 2^2321043065 is an apocalyptic number.

It is an amenable number.

2321043065 is a deficient number, since it is larger than the sum of its proper divisors (964659079).

2321043065 is a wasteful number, since it uses less digits than its factorization.

2321043065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52897.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2321043065 is about 48177.2048275946. The cubic root of 2321043065 is about 1324.0195552175.

Adding to 2321043065 its reverse (5603401232), we get a palindrome (7924444297).

The spelling of 2321043065 in words is "two billion, three hundred twenty-one million, forty-three thousand, sixty-five".