20233143611 has 2 divisors, whose sum is σ = 20233143612. Its totient is φ = 20233143610.

The previous prime is 20233143571. The next prime is 20233143649. The reversal of 20233143611 is 11634133202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20233143611 - 2¹⁸ = 20232881467 is a prime.

It is not a weakly prime, because it can be changed into another prime (20233143211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116571805 + 10116571806.

It is an arithmetic number, because the mean of its divisors is an integer number (10116571806).

Almost surely, 2^20233143611 is an apocalyptic number.

20233143611 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233143611 is an equidigital number, since it uses as much as digits as its factorization.

20233143611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20233143611 its reverse (11634133202), we get a palindrome (31867276813).

The spelling of 20233143611 in words is "twenty billion, two hundred thirty-three million, one hundred forty-three thousand, six hundred eleven".