4233143421421 has 8 divisors (see below), whose sum is σ = 4343201471840. Its totient is φ = 4123613228112.

The previous prime is 4233143421407. The next prime is 4233143421473. The reversal of 4233143421421 is 1241243413324.

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 4233143421421 - 2²⁵ = 4233109866989 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 (4233143421121) 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, 131948031 + ... + 131980108.

It is an arithmetic number, because the mean of its divisors is an integer number (542900183980).

Almost surely, 2^{4233143421421} is an apocalyptic number.

It is an amenable number.

4233143421421 is a deficient number, since it is larger than the sum of its proper divisors (110058050419).

4233143421421 is a wasteful number, since it uses less digits than its factorization.

4233143421421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263928555.

The product of its digits is 55296, while the sum is 34.

Adding to 4233143421421 its reverse (1241243413324), we get a palindrome (5474386834745).

It can be divided in two parts, 4233143 and 421421, that added together give a palindrome (4654564).

The spelling of 4233143421421 in words is "four trillion, two hundred thirty-three billion, one hundred forty-three million, four hundred twenty-one thousand, four hundred twenty-one".