1123223440033 has 2 divisors, whose sum is σ = 1123223440034. Its totient is φ = 1123223440032.

The previous prime is 1123223440013. The next prime is 1123223440057. The reversal of 1123223440033 is 3300443223211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 934679036944 + 188544403089 = 966788^2 + 434217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123223440033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123223439983 and 1123223440010.

It is not a weakly prime, because it can be changed into another prime (1123223440013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561611720016 + 561611720017.

It is an arithmetic number, because the mean of its divisors is an integer number (561611720017).

Almost surely, 2^{1123223440033} is an apocalyptic number.

It is an amenable number.

1123223440033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123223440033 is an equidigital number, since it uses as much as digits as its factorization.

1123223440033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1123223440033 its reverse (3300443223211), we get a palindrome (4423666663244).

The spelling of 1123223440033 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-three million, four hundred forty thousand, thirty-three".