1123433311001 has 2 divisors, whose sum is σ = 1123433311002. Its totient is φ = 1123433311000.

The previous prime is 1123433310991. The next prime is 1123433311043. The reversal of 1123433311001 is 1001133343211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1118866795225 + 4566515776 = 1057765^2 + 67576^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123433311001 - 2²⁶ = 1123366202137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123433311061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561716655500 + 561716655501.

It is an arithmetic number, because the mean of its divisors is an integer number (561716655501).

Almost surely, 2^{1123433311001} is an apocalyptic number.

It is an amenable number.

1123433311001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123433311001 is an equidigital number, since it uses as much as digits as its factorization.

1123433311001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1123433311001 its reverse (1001133343211), we get a palindrome (2124566654212).

The spelling of 1123433311001 in words is "one trillion, one hundred twenty-three billion, four hundred thirty-three million, three hundred eleven thousand, one".