263620459723 has 2 divisors, whose sum is σ = 263620459724. Its totient is φ = 263620459722.

The previous prime is 263620459699. The next prime is 263620459733. The reversal of 263620459723 is 327954026362.

263620459723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 263620459723 - 2²¹ = 263618362571 is a prime.

It is not a weakly prime, because it can be changed into another prime (263620459733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131810229861 + 131810229862.

It is an arithmetic number, because the mean of its divisors is an integer number (131810229862).

Almost surely, 2^263620459723 is an apocalyptic number.

263620459723 is a deficient number, since it is larger than the sum of its proper divisors (1).

263620459723 is an equidigital number, since it uses as much as digits as its factorization.

263620459723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 263620459723 in words is "two hundred sixty-three billion, six hundred twenty million, four hundred fifty-nine thousand, seven hundred twenty-three".