143204431236 has 12 divisors (see below), whose sum is σ = 334143672912. Its totient is φ = 47734810408.

The previous prime is 143204431229. The next prime is 143204431261. The reversal of 143204431236 is 632134402341.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 143204431197 and 143204431206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5966851290 + ... + 5966851313.

It is an arithmetic number, because the mean of its divisors is an integer number (27845306076).

Almost surely, 2^143204431236 is an apocalyptic number.

It is an amenable number.

143204431236 is an abundant number, since it is smaller than the sum of its proper divisors (190939241676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143204431236 is a wasteful number, since it uses less digits than its factorization.

143204431236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11933702610 (or 11933702608 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 143204431236 its reverse (632134402341), we get a palindrome (775338833577).

The spelling of 143204431236 in words is "one hundred forty-three billion, two hundred four million, four hundred thirty-one thousand, two hundred thirty-six".