223819853 has 2 divisors, whose sum is σ = 223819854. Its totient is φ = 223819852.

The previous prime is 223819789. The next prime is 223819949. The reversal of 223819853 is 358918322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223412809 + 407044 = 14947^2 + 638^2 .

It is a cyclic number.

It is not a de Polignac number, because 223819853 - 2⁶ = 223819789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223819853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223819153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111909926 + 111909927.

It is an arithmetic number, because the mean of its divisors is an integer number (111909927).

Almost surely, 2^223819853 is an apocalyptic number.

It is an amenable number.

223819853 is a deficient number, since it is larger than the sum of its proper divisors (1).

223819853 is an equidigital number, since it uses as much as digits as its factorization.

223819853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 223819853 is about 14960.6100477220. The cubic root of 223819853 is about 607.1549434509.

The spelling of 223819853 in words is "two hundred twenty-three million, eight hundred nineteen thousand, eight hundred fifty-three".