143634633230213 has 4 divisors (see below), whose sum is σ = 143643679957260. Its totient is φ = 143625586503168.

The previous prime is 143634633230167. The next prime is 143634633230237. The reversal of 143634633230213 is 312032336436341.

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

It can be written as a sum of positive squares in 2 ways, for example, as 132304791673924 + 11329841556289 = 11502382^2 + 3365983^2 .

It is a cyclic number.

It is not a de Polignac number, because 143634633230213 - 2³⁶ = 143565913753477 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 (143634639230213) 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, 4523339708 + ... + 4523371461.

It is an arithmetic number, because the mean of its divisors is an integer number (35910919989315).

Almost surely, 2^{143634633230213} is an apocalyptic number.

It is an amenable number.

143634633230213 is a deficient number, since it is larger than the sum of its proper divisors (9046727047).

143634633230213 is an equidigital number, since it uses as much as digits as its factorization.

143634633230213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9046727046.

The product of its (nonzero) digits is 1679616, while the sum is 44.

Adding to 143634633230213 its reverse (312032336436341), we get a palindrome (455666969666554).

The spelling of 143634633230213 in words is "one hundred forty-three trillion, six hundred thirty-four billion, six hundred thirty-three million, two hundred thirty thousand, two hundred thirteen".