20133221300323 has 2 divisors, whose sum is σ = 20133221300324. Its totient is φ = 20133221300322.

The previous prime is 20133221300299. The next prime is 20133221300333. The reversal of 20133221300323 is 32300312233102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20133221300323 is a prime.

It is not a weakly prime, because it can be changed into another prime (20133221300333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066610650161 + 10066610650162.

It is an arithmetic number, because the mean of its divisors is an integer number (10066610650162).

Almost surely, 2^{20133221300323} is an apocalyptic number.

20133221300323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133221300323 is an equidigital number, since it uses as much as digits as its factorization.

20133221300323 is an evil number, because the sum of its binary digits is even.

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

Adding to 20133221300323 its reverse (32300312233102), we get a palindrome (52433533533425).

The spelling of 20133221300323 in words is "twenty trillion, one hundred thirty-three billion, two hundred twenty-one million, three hundred thousand, three hundred twenty-three".