223629863 has 2 divisors, whose sum is σ = 223629864. Its totient is φ = 223629862.

The previous prime is 223629841. The next prime is 223629919. The reversal of 223629863 is 368926322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223629863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223629863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223649863) 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, 111814931 + 111814932.

It is an arithmetic number, because the mean of its divisors is an integer number (111814932).

Almost surely, 2^223629863 is an apocalyptic number.

223629863 is a deficient number, since it is larger than the sum of its proper divisors (1).

223629863 is an equidigital number, since it uses as much as digits as its factorization.

223629863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 41.

The square root of 223629863 is about 14954.2590254415. The cubic root of 223629863 is about 606.9830998590.

The spelling of 223629863 in words is "two hundred twenty-three million, six hundred twenty-nine thousand, eight hundred sixty-three".