143263420421 has 8 divisors (see below), whose sum is σ = 156485963424. Its totient is φ = 130073976720.

The previous prime is 143263420403. The next prime is 143263420451. The reversal of 143263420421 is 124024362341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143263420421 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 (143263420451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8265770 + ... + 8283083.

It is an arithmetic number, because the mean of its divisors is an integer number (19560745428).

Almost surely, 2^143263420421 is an apocalyptic number.

143263420421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

143263420421 is a deficient number, since it is larger than the sum of its proper divisors (13222543003).

143263420421 is a wasteful number, since it uses less digits than its factorization.

143263420421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16549651.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 143263420421 its reverse (124024362341), we get a palindrome (267287782762).

The spelling of 143263420421 in words is "one hundred forty-three billion, two hundred sixty-three million, four hundred twenty thousand, four hundred twenty-one".