263366423 has 2 divisors, whose sum is σ = 263366424. Its totient is φ = 263366422.

The previous prime is 263366419. The next prime is 263366473. The reversal of 263366423 is 324663362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 263366423 - 2² = 263366419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263366473) 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, 131683211 + 131683212.

It is an arithmetic number, because the mean of its divisors is an integer number (131683212).

Almost surely, 2^263366423 is an apocalyptic number.

263366423 is a deficient number, since it is larger than the sum of its proper divisors (1).

263366423 is an equidigital number, since it uses as much as digits as its factorization.

263366423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 35.

The square root of 263366423 is about 16228.5681130530. The cubic root of 263366423 is about 640.9932680532.

The spelling of 263366423 in words is "two hundred sixty-three million, three hundred sixty-six thousand, four hundred twenty-three".