1123310333209 has 2 divisors, whose sum is σ = 1123310333210. Its totient is φ = 1123310333208.

The previous prime is 1123310333179. The next prime is 1123310333219. The reversal of 1123310333209 is 9023330133211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 579067731225 + 544242601984 = 760965^2 + 737728^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123310333209 - 2³⁷ = 985871379737 is a prime.

It is a super-2 number, since 2×1123310333209² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1123310333219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561655166604 + 561655166605.

It is an arithmetic number, because the mean of its divisors is an integer number (561655166605).

Almost surely, 2^{1123310333209} is an apocalyptic number.

It is an amenable number.

1123310333209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123310333209 is an equidigital number, since it uses as much as digits as its factorization.

1123310333209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 31.

The spelling of 1123310333209 in words is "one trillion, one hundred twenty-three billion, three hundred ten million, three hundred thirty-three thousand, two hundred nine".