1231322323303 has 2 divisors, whose sum is σ = 1231322323304. Its totient is φ = 1231322323302.

The previous prime is 1231322323291. The next prime is 1231322323373. The reversal of 1231322323303 is 3033232231321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231322323303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231322323373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615661161651 + 615661161652.

It is an arithmetic number, because the mean of its divisors is an integer number (615661161652).

Almost surely, 2^{1231322323303} is an apocalyptic number.

1231322323303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231322323303 is an equidigital number, since it uses as much as digits as its factorization.

1231322323303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 1231322323303 its reverse (3033232231321), we get a palindrome (4264554554624).

The spelling of 1231322323303 in words is "one trillion, two hundred thirty-one billion, three hundred twenty-two million, three hundred twenty-three thousand, three hundred three".