1123688318801 has 2 divisors, whose sum is σ = 1123688318802. Its totient is φ = 1123688318800.

The previous prime is 1123688318791. The next prime is 1123688318899. The reversal of 1123688318801 is 1088138863211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 922108870225 + 201579448576 = 960265^2 + 448976^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123688318801 - 2¹⁴ = 1123688302417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1123688318801.

It is not a weakly prime, because it can be changed into another prime (1123688318101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561844159400 + 561844159401.

It is an arithmetic number, because the mean of its divisors is an integer number (561844159401).

Almost surely, 2^{1123688318801} is an apocalyptic number.

It is an amenable number.

1123688318801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123688318801 is an equidigital number, since it uses as much as digits as its factorization.

1123688318801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 50.

The spelling of 1123688318801 in words is "one trillion, one hundred twenty-three billion, six hundred eighty-eight million, three hundred eighteen thousand, eight hundred one".