523313434466143 has 4 divisors (see below), whose sum is σ = 523321599692808. Its totient is φ = 523305269239480.

The previous prime is 523313434466131. The next prime is 523313434466167. The reversal of 523313434466143 is 341664434313325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 523313434466143 - 2¹⁷ = 523313434335071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523313434466243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4082517196 + ... + 4082645377.

It is an arithmetic number, because the mean of its divisors is an integer number (130830399923202).

Almost surely, 2^{523313434466143} is an apocalyptic number.

523313434466143 is a deficient number, since it is larger than the sum of its proper divisors (8165226665).

523313434466143 is an equidigital number, since it uses as much as digits as its factorization.

523313434466143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165226664.

The product of its digits is 22394880, while the sum is 52.

Adding to 523313434466143 its reverse (341664434313325), we get a palindrome (864977868779468).

The spelling of 523313434466143 in words is "five hundred twenty-three trillion, three hundred thirteen billion, four hundred thirty-four million, four hundred sixty-six thousand, one hundred forty-three".