2268668623 has 16 divisors (see below), whose sum is σ = 2466032800. Its totient is φ = 2074636800.

The previous prime is 2268668587. The next prime is 2268668659. The reversal of 2268668623 is 3268668622.

It is a happy number.

2268668623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2268668587) and next prime (2268668659).

It is a cyclic number.

It is not a de Polignac number, because 2268668623 - 2⁹ = 2268668111 is a prime.

It is a super-2 number, since 2×2268668623² = 10293714641969432258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268668693) 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, 1084963 + ... + 1087051.

It is an arithmetic number, because the mean of its divisors is an integer number (154127050).

Almost surely, 2^2268668623 is an apocalyptic number.

2268668623 is a deficient number, since it is larger than the sum of its proper divisors (197364177).

2268668623 is a wasteful number, since it uses less digits than its factorization.

2268668623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842.

The product of its digits is 1990656, while the sum is 49.

The square root of 2268668623 is about 47630.5429635229. The cubic root of 2268668623 is about 1313.9848407105.

Subtracting 2268668623 from its reverse (3268668622), we obtain a palindrome (999999999).

The spelling of 2268668623 in words is "two billion, two hundred sixty-eight million, six hundred sixty-eight thousand, six hundred twenty-three".