221300010923 has 2 divisors, whose sum is σ = 221300010924. Its totient is φ = 221300010922.

The previous prime is 221300010889. The next prime is 221300010931. The reversal of 221300010923 is 329010003122.

221300010923 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 221300010923 - 2¹² = 221300006827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (221300019923) 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, 110650005461 + 110650005462.

It is an arithmetic number, because the mean of its divisors is an integer number (110650005462).

Almost surely, 2^221300010923 is an apocalyptic number.

221300010923 is a deficient number, since it is larger than the sum of its proper divisors (1).

221300010923 is an equidigital number, since it uses as much as digits as its factorization.

221300010923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 221300010923 in words is "two hundred twenty-one billion, three hundred million, ten thousand, nine hundred twenty-three".