221023133323 has 2 divisors, whose sum is σ = 221023133324. Its totient is φ = 221023133322.

The previous prime is 221023133273. The next prime is 221023133339. The reversal of 221023133323 is 323331320122.

221023133323 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 221023133323 - 2²⁵ = 220989578891 is a prime.

It is not a weakly prime, because it can be changed into another prime (221023133393) 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, 110511566661 + 110511566662.

It is an arithmetic number, because the mean of its divisors is an integer number (110511566662).

Almost surely, 2^221023133323 is an apocalyptic number.

221023133323 is a deficient number, since it is larger than the sum of its proper divisors (1).

221023133323 is an equidigital number, since it uses as much as digits as its factorization.

221023133323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 221023133323 its reverse (323331320122), we get a palindrome (544354453445).

The spelling of 221023133323 in words is "two hundred twenty-one billion, twenty-three million, one hundred thirty-three thousand, three hundred twenty-three".