143423031324421 has 8 divisors (see below), whose sum is σ = 149659356674880. Its totient is φ = 137186751088992.

The previous prime is 143423031324401. The next prime is 143423031324493. The reversal of 143423031324421 is 124423130324341.

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 143423031324421 - 2³³ = 143414441389829 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 (143423031324401) 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, 4700791 + ... + 17576788.

It is an arithmetic number, because the mean of its divisors is an integer number (18707419584360).

Almost surely, 2^{143423031324421} is an apocalyptic number.

It is an amenable number.

143423031324421 is a deficient number, since it is larger than the sum of its proper divisors (6236325350459).

143423031324421 is a wasteful number, since it uses less digits than its factorization.

143423031324421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22557515.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 143423031324421 its reverse (124423130324341), we get a palindrome (267846161648762).

The spelling of 143423031324421 in words is "one hundred forty-three trillion, four hundred twenty-three billion, thirty-one million, three hundred twenty-four thousand, four hundred twenty-one".