1211441304323 has 2 divisors, whose sum is σ = 1211441304324. Its totient is φ = 1211441304322.

The previous prime is 1211441304287. The next prime is 1211441304371. The reversal of 1211441304323 is 3234031441121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1211441304323 - 2⁸ = 1211441304067 is a prime.

It is a super-3 number, since 3×1211441304323³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1211441304023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605720652161 + 605720652162.

It is an arithmetic number, because the mean of its divisors is an integer number (605720652162).

Almost surely, 2^{1211441304323} is an apocalyptic number.

1211441304323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211441304323 is an equidigital number, since it uses as much as digits as its factorization.

1211441304323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 1211441304323 its reverse (3234031441121), we get a palindrome (4445472745444).

The spelling of 1211441304323 in words is "one trillion, two hundred eleven billion, four hundred forty-one million, three hundred four thousand, three hundred twenty-three".