1123203321151 has 2 divisors, whose sum is σ = 1123203321152. Its totient is φ = 1123203321150.

The previous prime is 1123203321109. The next prime is 1123203321173. The reversal of 1123203321151 is 1511233023211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123203321151 - 2²⁷ = 1123069103423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123203325151) 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, 561601660575 + 561601660576.

It is an arithmetic number, because the mean of its divisors is an integer number (561601660576).

Almost surely, 2^{1123203321151} is an apocalyptic number.

1123203321151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123203321151 is an equidigital number, since it uses as much as digits as its factorization.

1123203321151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 1123203321151 its reverse (1511233023211), we get a palindrome (2634436344362).

The spelling of 1123203321151 in words is "one trillion, one hundred twenty-three billion, two hundred three million, three hundred twenty-one thousand, one hundred fifty-one".