1323223101311 has 2 divisors, whose sum is σ = 1323223101312. Its totient is φ = 1323223101310.

The previous prime is 1323223101307. The next prime is 1323223101353. The reversal of 1323223101311 is 1131013223231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323223101311 - 2² = 1323223101307 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323223101511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661611550655 + 661611550656.

It is an arithmetic number, because the mean of its divisors is an integer number (661611550656).

Almost surely, 2^{1323223101311} is an apocalyptic number.

1323223101311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323223101311 is an equidigital number, since it uses as much as digits as its factorization.

1323223101311 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 23.

Adding to 1323223101311 its reverse (1131013223231), we get a palindrome (2454236324542).

The spelling of 1323223101311 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-three million, one hundred one thousand, three hundred eleven".