230221020203 has 2 divisors, whose sum is σ = 230221020204. Its totient is φ = 230221020202.

The previous prime is 230221020137. The next prime is 230221020217. The reversal of 230221020203 is 302020122032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 230221020203 - 2⁸ = 230221019947 is a prime.

It is a super-2 number, since 2×230221020203² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (230221020283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115110510101 + 115110510102.

It is an arithmetic number, because the mean of its divisors is an integer number (115110510102).

Almost surely, 2^230221020203 is an apocalyptic number.

230221020203 is a deficient number, since it is larger than the sum of its proper divisors (1).

230221020203 is an equidigital number, since it uses as much as digits as its factorization.

230221020203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 230221020203 its reverse (302020122032), we get a palindrome (532241142235).

The spelling of 230221020203 in words is "two hundred thirty billion, two hundred twenty-one million, twenty thousand, two hundred three".