248766823 has 2 divisors, whose sum is σ = 248766824. Its totient is φ = 248766822.

The previous prime is 248766821. The next prime is 248766839. The reversal of 248766823 is 328667842.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 248766823 - 2¹ = 248766821 is a prime.

Together with 248766821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248766821) 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, 124383411 + 124383412.

It is an arithmetic number, because the mean of its divisors is an integer number (124383412).

Almost surely, 2^248766823 is an apocalyptic number.

248766823 is a deficient number, since it is larger than the sum of its proper divisors (1).

248766823 is an equidigital number, since it uses as much as digits as its factorization.

248766823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 46.

The square root of 248766823 is about 15772.3436115246. The cubic root of 248766823 is about 628.9230133853.

The spelling of 248766823 in words is "two hundred forty-eight million, seven hundred sixty-six thousand, eight hundred twenty-three".