2023781745 has 48 divisors (see below), whose sum is σ = 3472096320. Its totient is φ = 1006304256.

The previous prime is 2023781737. The next prime is 2023781777. The reversal of 2023781745 is 5471873202.

It is not a de Polignac number, because 2023781745 - 2³ = 2023781737 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 470374 + ... + 474656.

It is an arithmetic number, because the mean of its divisors is an integer number (72335340).

Almost surely, 2^2023781745 is an apocalyptic number.

It is an amenable number.

2023781745 is a deficient number, since it is larger than the sum of its proper divisors (1448314575).

2023781745 is a wasteful number, since it uses less digits than its factorization.

2023781745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434 (or 4417 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 2023781745 is about 44986.4617968562. The cubic root of 2023781745 is about 1264.8952393886.

The spelling of 2023781745 in words is "two billion, twenty-three million, seven hundred eighty-one thousand, seven hundred forty-five".