2168715223 has 2 divisors, whose sum is σ = 2168715224. Its totient is φ = 2168715222.

The previous prime is 2168715193. The next prime is 2168715239. The reversal of 2168715223 is 3225178612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2168715223 - 2¹³ = 2168707031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2168715253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084357611 + 1084357612.

It is an arithmetic number, because the mean of its divisors is an integer number (1084357612).

Almost surely, 2^2168715223 is an apocalyptic number.

2168715223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2168715223 is an equidigital number, since it uses as much as digits as its factorization.

2168715223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 2168715223 is about 46569.4666385605. The cubic root of 2168715223 is about 1294.3970345821.

The spelling of 2168715223 in words is "two billion, one hundred sixty-eight million, seven hundred fifteen thousand, two hundred twenty-three".