4324231230021 has 48 divisors (see below), whose sum is σ = 6487275674880. Its totient is φ = 2878451251200.

The previous prime is 4324231229999. The next prime is 4324231230037. The reversal of 4324231230021 is 1200321324234.

4324231230021 is a `hidden beast` number, since 4 + 3 + 2 + 42 + 312 + 300 + 2 + 1 = 666.

It is not a de Polignac number, because 4324231230021 - 2¹⁰ = 4324231228997 is a prime.

It is a super-2 number, since 2×4324231230021² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4324231230041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 501472116 + ... + 501480738.

It is an arithmetic number, because the mean of its divisors is an integer number (135151576560).

Almost surely, 2^{4324231230021} is an apocalyptic number.

It is an amenable number.

4324231230021 is a deficient number, since it is larger than the sum of its proper divisors (2163044444859).

4324231230021 is a wasteful number, since it uses less digits than its factorization.

4324231230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11528 (or 11516 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 4324231230021 its reverse (1200321324234), we get a palindrome (5524552554255).

The spelling of 4324231230021 in words is "four trillion, three hundred twenty-four billion, two hundred thirty-one million, two hundred thirty thousand, twenty-one".