835223663 has 2 divisors, whose sum is σ = 835223664. Its totient is φ = 835223662.

The previous prime is 835223657. The next prime is 835223677. The reversal of 835223663 is 366322538.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 835223663 - 2¹⁶ = 835158127 is a prime.

It is a Sophie Germain prime.

It is equal to p_42862835 and since 835223663 and 42862835 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (835226663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417611831 + 417611832.

It is an arithmetic number, because the mean of its divisors is an integer number (417611832).

Almost surely, 2^835223663 is an apocalyptic number.

835223663 is a deficient number, since it is larger than the sum of its proper divisors (1).

835223663 is an equidigital number, since it uses as much as digits as its factorization.

835223663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 38.

The square root of 835223663 is about 28900.2363831163. The cubic root of 835223663 is about 941.7470388635.

The spelling of 835223663 in words is "eight hundred thirty-five million, two hundred twenty-three thousand, six hundred sixty-three".