4323424343421 has 16 divisors (see below), whose sum is σ = 5963478177600. Its totient is φ = 2782831177728.

The previous prime is 4323424343401. The next prime is 4323424343429. The reversal of 4323424343421 is 1243434243234.

It is a happy number.

It is not a de Polignac number, because 4323424343421 - 2¹³ = 4323424335229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4323424343421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4323424343429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3495090 + ... + 4567548.

It is an arithmetic number, because the mean of its divisors is an integer number (372717386100).

Almost surely, 2^{4323424343421} is an apocalyptic number.

It is an amenable number.

4323424343421 is a deficient number, since it is larger than the sum of its proper divisors (1640053834179).

4323424343421 is a wasteful number, since it uses less digits than its factorization.

4323424343421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118828.

The product of its digits is 663552, while the sum is 39.

Adding to 4323424343421 its reverse (1243434243234), we get a palindrome (5566858586655).

The spelling of 4323424343421 in words is "four trillion, three hundred twenty-three billion, four hundred twenty-four million, three hundred forty-three thousand, four hundred twenty-one".