2165302623 has 12 divisors (see below), whose sum is σ = 3173391704. Its totient is φ = 1312304400.

The previous prime is 2165302591. The next prime is 2165302637. The reversal of 2165302623 is 3262035612.

It is not a de Polignac number, because 2165302623 - 2⁵ = 2165302591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165372623) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2982148 + ... + 2982873.

Almost surely, 2^2165302623 is an apocalyptic number.

2165302623 is a deficient number, since it is larger than the sum of its proper divisors (1008089081).

2165302623 is a wasteful number, since it uses less digits than its factorization.

2165302623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965046 (or 5965035 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 2165302623 is about 46532.8123263574. The cubic root of 2165302623 is about 1293.7177417241.

The spelling of 2165302623 in words is "two billion, one hundred sixty-five million, three hundred two thousand, six hundred twenty-three".