43330021423021 has 8 divisors (see below), whose sum is σ = 43363597549824. Its totient is φ = 43296451395600.

The previous prime is 43330021423009. The next prime is 43330021423027. The reversal of 43330021423021 is 12032412003334.

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 43330021423021 - 2⁴⁵ = 8145649334189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43330021423027) 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, 12740320 + ... + 15778966.

It is an arithmetic number, because the mean of its divisors is an integer number (5420449693728).

Almost surely, 2^{43330021423021} is an apocalyptic number.

It is an amenable number.

43330021423021 is a deficient number, since it is larger than the sum of its proper divisors (33576126803).

43330021423021 is a wasteful number, since it uses less digits than its factorization.

43330021423021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049691.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 43330021423021 its reverse (12032412003334), we get a palindrome (55362433426355).

The spelling of 43330021423021 in words is "forty-three trillion, three hundred thirty billion, twenty-one million, four hundred twenty-three thousand, twenty-one".