2265716123 has 16 divisors (see below), whose sum is σ = 2754829440. Its totient is φ = 1836547200.

The previous prime is 2265716113. The next prime is 2265716143. The reversal of 2265716123 is 3216175622.

It is a cyclic number.

It is not a de Polignac number, because 2265716123 - 2⁸ = 2265715867 is a prime.

It is a super-2 number, since 2×2265716123² = 10266939100044302258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2265716113) 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, 315293 + ... + 322398.

It is an arithmetic number, because the mean of its divisors is an integer number (172176840).

Almost surely, 2^2265716123 is an apocalyptic number.

2265716123 is a deficient number, since it is larger than the sum of its proper divisors (489113317).

2265716123 is a wasteful number, since it uses less digits than its factorization.

2265716123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637738.

The product of its digits is 30240, while the sum is 35.

The square root of 2265716123 is about 47599.5391049115. The cubic root of 2265716123 is about 1313.4145760780.

The spelling of 2265716123 in words is "two billion, two hundred sixty-five million, seven hundred sixteen thousand, one hundred twenty-three".