10143043431523 has 4 divisors (see below), whose sum is σ = 10739693045160. Its totient is φ = 9546393817888.

The previous prime is 10143043431503. The next prime is 10143043431571. The reversal of 10143043431523 is 32513434034101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10143043431523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10143043431503) 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, 298324806793 + ... + 298324806826.

It is an arithmetic number, because the mean of its divisors is an integer number (2684923261290).

Almost surely, 2^{10143043431523} is an apocalyptic number.

10143043431523 is a deficient number, since it is larger than the sum of its proper divisors (596649613637).

10143043431523 is an equidigital number, since it uses as much as digits as its factorization.

10143043431523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596649613636.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 10143043431523 its reverse (32513434034101), we get a palindrome (42656477465624).

The spelling of 10143043431523 in words is "ten trillion, one hundred forty-three billion, forty-three million, four hundred thirty-one thousand, five hundred twenty-three".