10223603818 has 4 divisors (see below), whose sum is σ = 15335405730. Its totient is φ = 5111801908.

The previous prime is 10223603813. The next prime is 10223603851. The reversal of 10223603818 is 81830632201.

It is a happy number.

10223603818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81830632201 = 19 ⋅4306875379.

It can be written as a sum of positive squares in only one way, i.e., 9400659849 + 822943969 = 96957^2 + 28687^2 .

It is not an unprimeable number, because it can be changed into a prime (10223603813) 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, 2555900953 + ... + 2555900956.

Almost surely, 2^10223603818 is an apocalyptic number.

10223603818 is a deficient number, since it is larger than the sum of its proper divisors (5111801912).

10223603818 is an equidigital number, since it uses as much as digits as its factorization.

10223603818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111801911.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 10223603818 in words is "ten billion, two hundred twenty-three million, six hundred three thousand, eight hundred eighteen".