4323152340221 has 16 divisors (see below), whose sum is σ = 5299772042880. Its totient is φ = 3470088832320.

The previous prime is 4323152340209. The next prime is 4323152340223. The reversal of 4323152340221 is 1220432513234.

It is not a de Polignac number, because 4323152340221 - 2¹⁴ = 4323152323837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4323152340223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657210506 + ... + 657217083.

It is an arithmetic number, because the mean of its divisors is an integer number (331235752680).

Almost surely, 2^{4323152340221} is an apocalyptic number.

It is an amenable number.

4323152340221 is a deficient number, since it is larger than the sum of its proper divisors (976619702659).

4323152340221 is a wasteful number, since it uses less digits than its factorization.

4323152340221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314427636.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 4323152340221 its reverse (1220432513234), we get a palindrome (5543584853455).

The spelling of 4323152340221 in words is "four trillion, three hundred twenty-three billion, one hundred fifty-two million, three hundred forty thousand, two hundred twenty-one".