20211323303 has 2 divisors, whose sum is σ = 20211323304. Its totient is φ = 20211323302.

The previous prime is 20211323299. The next prime is 20211323317. The reversal of 20211323303 is 30332311202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20211323303 - 2² = 20211323299 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20211323333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105661651 + 10105661652.

It is an arithmetic number, because the mean of its divisors is an integer number (10105661652).

Almost surely, 2^20211323303 is an apocalyptic number.

20211323303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211323303 is an equidigital number, since it uses as much as digits as its factorization.

20211323303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20211323303 its reverse (30332311202), we get a palindrome (50543634505).

The spelling of 20211323303 in words is "twenty billion, two hundred eleven million, three hundred twenty-three thousand, three hundred three".