43323141220121 has 8 divisors (see below), whose sum is σ = 49522649074944. Its totient is φ = 37126255285440.

The previous prime is 43323141220043. The next prime is 43323141220123. The reversal of 43323141220121 is 12102214132334.

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 43323141220121 - 2¹⁴ = 43323141203737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43323141220123) 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, 655444625 + ... + 655510718.

It is an arithmetic number, because the mean of its divisors is an integer number (6190331134368).

Almost surely, 2^{43323141220121} is an apocalyptic number.

It is an amenable number.

43323141220121 is a deficient number, since it is larger than the sum of its proper divisors (6199507854823).

43323141220121 is a wasteful number, since it uses less digits than its factorization.

43323141220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310960071.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 43323141220121 its reverse (12102214132334), we get a palindrome (55425355352455).

The spelling of 43323141220121 in words is "forty-three trillion, three hundred twenty-three billion, one hundred forty-one million, two hundred twenty thousand, one hundred twenty-one".