1052404231143 has 4 divisors (see below), whose sum is σ = 1403205641528. Its totient is φ = 701602820760.

The previous prime is 1052404231057. The next prime is 1052404231159. The reversal of 1052404231143 is 3411324042501.

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

It is not a de Polignac number, because 1052404231143 - 2²⁶ = 1052337122279 is a prime.

It is a super-2 number, since 2×1052404231143² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1052404231143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052404241143) 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, 175400705188 + ... + 175400705193.

It is an arithmetic number, because the mean of its divisors is an integer number (350801410382).

Almost surely, 2^{1052404231143} is an apocalyptic number.

1052404231143 is a deficient number, since it is larger than the sum of its proper divisors (350801410385).

1052404231143 is an equidigital number, since it uses as much as digits as its factorization.

1052404231143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350801410384.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1052404231143 its reverse (3411324042501), we get a palindrome (4463728273644).

The spelling of 1052404231143 in words is "one trillion, fifty-two billion, four hundred four million, two hundred thirty-one thousand, one hundred forty-three".