1200023255303 has 2 divisors, whose sum is σ = 1200023255304. Its totient is φ = 1200023255302.

The previous prime is 1200023255251. The next prime is 1200023255329. The reversal of 1200023255303 is 3035523200021.

It is an a-pointer prime, because the next prime (1200023255329) can be obtained adding 1200023255303 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1200023255303 - 2¹⁴ = 1200023238919 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200023258303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600011627651 + 600011627652.

It is an arithmetic number, because the mean of its divisors is an integer number (600011627652).

Almost surely, 2^{1200023255303} is an apocalyptic number.

1200023255303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200023255303 is an equidigital number, since it uses as much as digits as its factorization.

1200023255303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 1200023255303 its reverse (3035523200021), we get a palindrome (4235546455324).

The spelling of 1200023255303 in words is "one trillion, two hundred billion, twenty-three million, two hundred fifty-five thousand, three hundred three".