2265944823 has 12 divisors (see below), whose sum is σ = 3273613200. Its totient is φ = 1510361376.

The previous prime is 2265944803. The next prime is 2265944833. The reversal of 2265944823 is 3284495622.

2265944823 is a `hidden beast` number, since 22 + 65 + 94 + 482 + 3 = 666.

It is not a de Polignac number, because 2265944823 - 2⁹ = 2265944311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265944803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40315 + ... + 78467.

It is an arithmetic number, because the mean of its divisors is an integer number (272801100).

Almost surely, 2^2265944823 is an apocalyptic number.

2265944823 is a deficient number, since it is larger than the sum of its proper divisors (1007668377).

2265944823 is a wasteful number, since it uses less digits than its factorization.

2265944823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44758 (or 44755 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 2265944823 is about 47601.9413784774. The cubic root of 2265944823 is about 1313.4587663459.

The spelling of 2265944823 in words is "two billion, two hundred sixty-five million, nine hundred forty-four thousand, eight hundred twenty-three".