265809141144023 has 2 divisors, whose sum is σ = 265809141144024. Its totient is φ = 265809141144022.

The previous prime is 265809141143999. The next prime is 265809141144089. The reversal of 265809141144023 is 320441141908562.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265809141144023 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265809141144823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132904570572011 + 132904570572012.

It is an arithmetic number, because the mean of its divisors is an integer number (132904570572012).

Almost surely, 2^{265809141144023} is an apocalyptic number.

265809141144023 is a deficient number, since it is larger than the sum of its proper divisors (1).

265809141144023 is an equidigital number, since it uses as much as digits as its factorization.

265809141144023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 265809141144023 in words is "two hundred sixty-five trillion, eight hundred nine billion, one hundred forty-one million, one hundred forty-four thousand, twenty-three".