4323252141221 has 16 divisors (see below), whose sum is σ = 4832846645760. Its totient is φ = 3840386938560.

The previous prime is 4323252141149. The next prime is 4323252141289. The reversal of 4323252141221 is 1221412523234.

It is a cyclic number.

It is not a de Polignac number, because 4323252141221 - 2³⁰ = 4322178399397 is a prime.

It is a super-2 number, since 2×4323252141221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4323252146221) 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, 29893430 + ... + 30037703.

It is an arithmetic number, because the mean of its divisors is an integer number (302052915360).

Almost surely, 2^{4323252141221} is an apocalyptic number.

It is an amenable number.

4323252141221 is a deficient number, since it is larger than the sum of its proper divisors (509594504539).

4323252141221 is a wasteful number, since it uses less digits than its factorization.

4323252141221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59931356.

The product of its digits is 23040, while the sum is 32.

Adding to 4323252141221 its reverse (1221412523234), we get a palindrome (5544664664455).

The spelling of 4323252141221 in words is "four trillion, three hundred twenty-three billion, two hundred fifty-two million, one hundred forty-one thousand, two hundred twenty-one".