2421123132443 has 8 divisors (see below), whose sum is σ = 2504916906480. Its totient is φ = 2337349809760.

The previous prime is 2421123132419. The next prime is 2421123132497. The reversal of 2421123132443 is 3442313211242.

It is a happy number.

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 2421123132443 - 2¹⁶ = 2421123066907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421123138443) 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, 4871780 + ... + 5345697.

It is an arithmetic number, because the mean of its divisors is an integer number (313114613310).

Almost surely, 2^{2421123132443} is an apocalyptic number.

2421123132443 is a deficient number, since it is larger than the sum of its proper divisors (83793774037).

2421123132443 is a wasteful number, since it uses less digits than its factorization.

2421123132443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10225677.

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

Adding to 2421123132443 its reverse (3442313211242), we get a palindrome (5863436343685).

The spelling of 2421123132443 in words is "two trillion, four hundred twenty-one billion, one hundred twenty-three million, one hundred thirty-two thousand, four hundred forty-three".