143214233424421 has 4 divisors (see below), whose sum is σ = 143224648261344. Its totient is φ = 143203818587500.

The previous prime is 143214233424349. The next prime is 143214233424481. The reversal of 143214233424421 is 124424332412341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143214233424421 - 2³⁷ = 143076794470949 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 (143214233424481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5207397835 + ... + 5207425336.

It is an arithmetic number, because the mean of its divisors is an integer number (35806162065336).

Almost surely, 2^{143214233424421} is an apocalyptic number.

It is an amenable number.

143214233424421 is a deficient number, since it is larger than the sum of its proper divisors (10414836923).

143214233424421 is a wasteful number, since it uses less digits than its factorization.

143214233424421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10414836922.

The product of its digits is 442368, while the sum is 40.

Adding to 143214233424421 its reverse (124424332412341), we get a palindrome (267638565836762).

The spelling of 143214233424421 in words is "one hundred forty-three trillion, two hundred fourteen billion, two hundred thirty-three million, four hundred twenty-four thousand, four hundred twenty-one".