2265885623 has 16 divisors (see below), whose sum is σ = 2411791200. Its totient is φ = 2124971520.

The previous prime is 2265885577. The next prime is 2265885631. The reversal of 2265885623 is 3265885622.

It is a de Polignac number, because none of the positive numbers 2^k-2265885623 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 (2265885823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272948 + ... + 281126.

It is an arithmetic number, because the mean of its divisors is an integer number (150736950).

Almost surely, 2^2265885623 is an apocalyptic number.

2265885623 is a deficient number, since it is larger than the sum of its proper divisors (145905577).

2265885623 is a wasteful number, since it uses less digits than its factorization.

2265885623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8482.

The product of its digits is 1382400, while the sum is 47.

The square root of 2265885623 is about 47601.3195510377. The cubic root of 2265885623 is about 1313.4473277861.

Subtracting 2265885623 from its reverse (3265885622), we obtain a palindrome (999999999).

The spelling of 2265885623 in words is "two billion, two hundred sixty-five million, eight hundred eighty-five thousand, six hundred twenty-three".