463840823 has 2 divisors, whose sum is σ = 463840824. Its totient is φ = 463840822.

The previous prime is 463840813. The next prime is 463840873. The reversal of 463840823 is 328048364.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 463840823 - 2⁴ = 463840807 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 (463840813) 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, 231920411 + 231920412.

It is an arithmetic number, because the mean of its divisors is an integer number (231920412).

Almost surely, 2^463840823 is an apocalyptic number.

463840823 is a deficient number, since it is larger than the sum of its proper divisors (1).

463840823 is an equidigital number, since it uses as much as digits as its factorization.

463840823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 463840823 is about 21536.9641082489. The cubic root of 463840823 is about 774.0867900505.

The spelling of 463840823 in words is "four hundred sixty-three million, eight hundred forty thousand, eight hundred twenty-three".