2123336655133 has 2 divisors, whose sum is σ = 2123336655134. Its totient is φ = 2123336655132.

The previous prime is 2123336655109. The next prime is 2123336655169. The reversal of 2123336655133 is 3315566333212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2065391499609 + 57945155524 = 1437147^2 + 240718^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123336655133 - 2²⁵ = 2123303100701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2123336655133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123336655173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061668327566 + 1061668327567.

It is an arithmetic number, because the mean of its divisors is an integer number (1061668327567).

Almost surely, 2^{2123336655133} is an apocalyptic number.

It is an amenable number.

2123336655133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123336655133 is an equidigital number, since it uses as much as digits as its factorization.

2123336655133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 874800, while the sum is 43.

The spelling of 2123336655133 in words is "two trillion, one hundred twenty-three billion, three hundred thirty-six million, six hundred fifty-five thousand, one hundred thirty-three".