2065423345 has 16 divisors (see below), whose sum is σ = 2587489920. Its totient is φ = 1579752064.

The previous prime is 2065423333. The next prime is 2065423363. The reversal of 2065423345 is 5433245602.

It is a cyclic number.

It is not a de Polignac number, because 2065423345 - 2²⁵ = 2031868913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2065423345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482826 + ... + 487084.

It is an arithmetic number, because the mean of its divisors is an integer number (161718120).

Almost surely, 2^2065423345 is an apocalyptic number.

It is an amenable number.

2065423345 is a deficient number, since it is larger than the sum of its proper divisors (522066575).

2065423345 is a wasteful number, since it uses less digits than its factorization.

2065423345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8504.

The product of its (nonzero) digits is 86400, while the sum is 34.

The square root of 2065423345 is about 45446.9288841391. The cubic root of 2065423345 is about 1273.5119577009.

Adding to 2065423345 its reverse (5433245602), we get a palindrome (7498668947).

The spelling of 2065423345 in words is "two billion, sixty-five million, four hundred twenty-three thousand, three hundred forty-five".