5605668923 has 2 divisors, whose sum is σ = 5605668924. Its totient is φ = 5605668922.

The previous prime is 5605668881. The next prime is 5605668947. The reversal of 5605668923 is 3298665065.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5605668923 - 2¹⁶ = 5605603387 is a prime.

It is not a weakly prime, because it can be changed into another prime (5605668983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2802834461 + 2802834462.

It is an arithmetic number, because the mean of its divisors is an integer number (2802834462).

Almost surely, 2^5605668923 is an apocalyptic number.

5605668923 is a deficient number, since it is larger than the sum of its proper divisors (1).

5605668923 is an equidigital number, since it uses as much as digits as its factorization.

5605668923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2332800, while the sum is 50.

The square root of 5605668923 is about 74871.0152395438. The cubic root of 5605668923 is about 1776.4070227592.

The spelling of 5605668923 in words is "five billion, six hundred five million, six hundred sixty-eight thousand, nine hundred twenty-three".