1123320232187 has 2 divisors, whose sum is σ = 1123320232188. Its totient is φ = 1123320232186.

The previous prime is 1123320232169. The next prime is 1123320232193. The reversal of 1123320232187 is 7812320233211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1123320232187 - 2⁸ = 1123320231931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123320232687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561660116093 + 561660116094.

It is an arithmetic number, because the mean of its divisors is an integer number (561660116094).

Almost surely, 2^{1123320232187} is an apocalyptic number.

1123320232187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123320232187 is an equidigital number, since it uses as much as digits as its factorization.

1123320232187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 1123320232187 its reverse (7812320233211), we get a palindrome (8935640465398).

The spelling of 1123320232187 in words is "one trillion, one hundred twenty-three billion, three hundred twenty million, two hundred thirty-two thousand, one hundred eighty-seven".