265547423 has 2 divisors, whose sum is σ = 265547424. Its totient is φ = 265547422.

The previous prime is 265547411. The next prime is 265547459. The reversal of 265547423 is 324745562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265547423 - 2¹⁰ = 265546399 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 (265547473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132773711 + 132773712.

It is an arithmetic number, because the mean of its divisors is an integer number (132773712).

Almost surely, 2^265547423 is an apocalyptic number.

265547423 is a deficient number, since it is larger than the sum of its proper divisors (1).

265547423 is an equidigital number, since it uses as much as digits as its factorization.

265547423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 38.

The square root of 265547423 is about 16295.6258854945. The cubic root of 265547423 is about 642.7578120225.

The spelling of 265547423 in words is "two hundred sixty-five million, five hundred forty-seven thousand, four hundred twenty-three".