1255403340223 has 2 divisors, whose sum is σ = 1255403340224. Its totient is φ = 1255403340222.

The previous prime is 1255403340097. The next prime is 1255403340271. The reversal of 1255403340223 is 3220433045521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1255403340223 - 2¹³ = 1255403332031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255403340283) 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, 627701670111 + 627701670112.

It is an arithmetic number, because the mean of its divisors is an integer number (627701670112).

Almost surely, 2^{1255403340223} is an apocalyptic number.

1255403340223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255403340223 is an equidigital number, since it uses as much as digits as its factorization.

1255403340223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 1255403340223 its reverse (3220433045521), we get a palindrome (4475836385744).

The spelling of 1255403340223 in words is "one trillion, two hundred fifty-five billion, four hundred three million, three hundred forty thousand, two hundred twenty-three".