143368857053 has 4 divisors (see below), whose sum is σ = 144760787808. Its totient is φ = 141976926300.

The previous prime is 143368857013. The next prime is 143368857059. The reversal of 143368857053 is 350758863341.

143368857053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350758863341 = 193 ⋅1817403437.

It is a cyclic number.

It is not a de Polignac number, because 143368857053 - 2³⁶ = 74649380317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143368856986 and 143368857004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143368857059) 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 3 ways as a sum of consecutive naturals, for example, 695965223 + ... + 695965428.

It is an arithmetic number, because the mean of its divisors is an integer number (36190196952).

Almost surely, 2^143368857053 is an apocalyptic number.

It is an amenable number.

143368857053 is a deficient number, since it is larger than the sum of its proper divisors (1391930755).

143368857053 is a wasteful number, since it uses less digits than its factorization.

143368857053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391930754.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 143368857053 in words is "one hundred forty-three billion, three hundred sixty-eight million, eight hundred fifty-seven thousand, fifty-three".