221301030023 has 2 divisors, whose sum is σ = 221301030024. Its totient is φ = 221301030022.

The previous prime is 221301030001. The next prime is 221301030031. The reversal of 221301030023 is 320030103122.

221301030023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221301030023 - 2⁸ = 221301029767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221301029983 and 221301030010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221301030043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110650515011 + 110650515012.

It is an arithmetic number, because the mean of its divisors is an integer number (110650515012).

Almost surely, 2^221301030023 is an apocalyptic number.

221301030023 is a deficient number, since it is larger than the sum of its proper divisors (1).

221301030023 is an equidigital number, since it uses as much as digits as its factorization.

221301030023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 221301030023 its reverse (320030103122), we get a palindrome (541331133145).

The spelling of 221301030023 in words is "two hundred twenty-one billion, three hundred one million, thirty thousand, twenty-three".