265206634342423 has 2 divisors, whose sum is σ = 265206634342424. Its totient is φ = 265206634342422.

The previous prime is 265206634342387. The next prime is 265206634342427. The reversal of 265206634342423 is 324243436602562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265206634342423 - 2³³ = 265198044407831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265206634342427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132603317171211 + 132603317171212.

It is an arithmetic number, because the mean of its divisors is an integer number (132603317171212).

Almost surely, 2^{265206634342423} is an apocalyptic number.

265206634342423 is a deficient number, since it is larger than the sum of its proper divisors (1).

265206634342423 is an equidigital number, since it uses as much as digits as its factorization.

265206634342423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29859840, while the sum is 52.

The spelling of 265206634342423 in words is "two hundred sixty-five trillion, two hundred six billion, six hundred thirty-four million, three hundred forty-two thousand, four hundred twenty-three".