1325143203443 has 8 divisors (see below), whose sum is σ = 1357550161968. Its totient is φ = 1292808502944.

The previous prime is 1325143203427. The next prime is 1325143203469. The reversal of 1325143203443 is 3443023415231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1325143203443 - 2⁴ = 1325143203427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325143203143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18027380 + ... + 18100737.

It is an arithmetic number, because the mean of its divisors is an integer number (169693770246).

Almost surely, 2^{1325143203443} is an apocalyptic number.

1325143203443 is a deficient number, since it is larger than the sum of its proper divisors (32406958525).

1325143203443 is an equidigital number, since it uses as much as digits as its factorization.

1325143203443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36129013.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 1325143203443 its reverse (3443023415231), we get a palindrome (4768166618674).

The spelling of 1325143203443 in words is "one trillion, three hundred twenty-five billion, one hundred forty-three million, two hundred three thousand, four hundred forty-three".