2566706142223 has 2 divisors, whose sum is σ = 2566706142224. Its totient is φ = 2566706142222.

The previous prime is 2566706142211. The next prime is 2566706142263. The reversal of 2566706142223 is 3222416076652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2566706142223 - 2⁹ = 2566706141711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2566706142263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283353071111 + 1283353071112.

It is an arithmetic number, because the mean of its divisors is an integer number (1283353071112).

Almost surely, 2^{2566706142223} is an apocalyptic number.

2566706142223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566706142223 is an equidigital number, since it uses as much as digits as its factorization.

2566706142223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 2566706142223 in words is "two trillion, five hundred sixty-six billion, seven hundred six million, one hundred forty-two thousand, two hundred twenty-three".