223829999 has 2 divisors, whose sum is σ = 223830000. Its totient is φ = 223829998.

The previous prime is 223829993. The next prime is 223830017. The reversal of 223829999 is 999928322.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223829999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223829999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223829993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111914999 + 111915000.

It is an arithmetic number, because the mean of its divisors is an integer number (111915000).

Almost surely, 2^223829999 is an apocalyptic number.

223829999 is a deficient number, since it is larger than the sum of its proper divisors (1).

223829999 is an equidigital number, since it uses as much as digits as its factorization.

223829999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 53.

The square root of 223829999 is about 14960.9491343297. The cubic root of 223829999 is about 607.1641176460.

The spelling of 223829999 in words is "two hundred twenty-three million, eight hundred twenty-nine thousand, nine hundred ninety-nine".