1253344305143 has 6 divisors (see below), whose sum is σ = 1457971946856. Its totient is φ = 1074295118652.

The previous prime is 1253344305131. The next prime is 1253344305181. The reversal of 1253344305143 is 3415034433521.

It is not a de Polignac number, because 1253344305143 - 2⁴ = 1253344305127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1253344305097 and 1253344305106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253344305643) 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 in 5 ways as a sum of consecutive naturals, for example, 12789227555 + ... + 12789227652.

It is an arithmetic number, because the mean of its divisors is an integer number (242995324476).

Almost surely, 2^{1253344305143} is an apocalyptic number.

1253344305143 is a deficient number, since it is larger than the sum of its proper divisors (204627641713).

1253344305143 is an equidigital number, since it uses as much as digits as its factorization.

1253344305143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25578455221 (or 25578455214 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 38.

Adding to 1253344305143 its reverse (3415034433521), we get a palindrome (4668378738664).

The spelling of 1253344305143 in words is "one trillion, two hundred fifty-three billion, three hundred forty-four million, three hundred five thousand, one hundred forty-three".