265055123 has 2 divisors, whose sum is σ = 265055124. Its totient is φ = 265055122.

The previous prime is 265055117. The next prime is 265055159. The reversal of 265055123 is 321550562.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265055123 - 2¹⁰ = 265054099 is a prime.

It is not a weakly prime, because it can be changed into another prime (265055113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132527561 + 132527562.

It is an arithmetic number, because the mean of its divisors is an integer number (132527562).

Almost surely, 2^265055123 is an apocalyptic number.

265055123 is a deficient number, since it is larger than the sum of its proper divisors (1).

265055123 is an equidigital number, since it uses as much as digits as its factorization.

265055123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 265055123 is about 16280.5135975497. The cubic root of 265055123 is about 642.3603620899.

The spelling of 265055123 in words is "two hundred sixty-five million, fifty-five thousand, one hundred twenty-three".