2023645605 has 16 divisors (see below), whose sum is σ = 3239879040. Its totient is φ = 1078595648.

The previous prime is 2023645579. The next prime is 2023645619. The reversal of 2023645605 is 5065463202.

It is a cyclic number.

It is not a de Polignac number, because 2023645605 - 2⁹ = 2023645093 is a prime.

It is a congruent number.

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, 17625 + ... + 66014.

It is an arithmetic number, because the mean of its divisors is an integer number (202492440).

Almost surely, 2^2023645605 is an apocalyptic number.

It is an amenable number.

2023645605 is a deficient number, since it is larger than the sum of its proper divisors (1216233435).

2023645605 is a wasteful number, since it uses less digits than its factorization.

2023645605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85260.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 2023645605 is about 44984.9486495205. The cubic root of 2023645605 is about 1264.8668755429.

The spelling of 2023645605 in words is "two billion, twenty-three million, six hundred forty-five thousand, six hundred five".