143303403421 has 8 divisors (see below), whose sum is σ = 143531740800. Its totient is φ = 143075194080.

The previous prime is 143303403359. The next prime is 143303403449. The reversal of 143303403421 is 124304303341.

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

It is a cyclic number.

It is not a de Polignac number, because 143303403421 - 2¹⁵ = 143303370653 is a prime.

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 143303403421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143303403461) 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, 2347516 + ... + 2407786.

It is an arithmetic number, because the mean of its divisors is an integer number (17941467600).

Almost surely, 2^143303403421 is an apocalyptic number.

It is an amenable number.

143303403421 is a deficient number, since it is larger than the sum of its proper divisors (228337379).

143303403421 is an equidigital number, since it uses as much as digits as its factorization.

143303403421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64019.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 143303403421 its reverse (124304303341), we get a palindrome (267607706762).

The spelling of 143303403421 in words is "one hundred forty-three billion, three hundred three million, four hundred three thousand, four hundred twenty-one".