1120023123311 has 2 divisors, whose sum is σ = 1120023123312. Its totient is φ = 1120023123310.

The previous prime is 1120023123281. The next prime is 1120023123313. The reversal of 1120023123311 is 1133213200211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1120023123311 - 2²⁶ = 1119956014447 is a prime.

Together with 1120023123313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120023123313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560011561655 + 560011561656.

It is an arithmetic number, because the mean of its divisors is an integer number (560011561656).

Almost surely, 2^{1120023123311} is an apocalyptic number.

1120023123311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120023123311 is an equidigital number, since it uses as much as digits as its factorization.

1120023123311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1120023123311 its reverse (1133213200211), we get a palindrome (2253236323522).

The spelling of 1120023123311 in words is "one trillion, one hundred twenty billion, twenty-three million, one hundred twenty-three thousand, three hundred eleven".