43342130021 has 8 divisors (see below), whose sum is σ = 44121947424. Its totient is φ = 42566222160.

The previous prime is 43342130017. The next prime is 43342130053. The reversal of 43342130021 is 12003124334.

43342130021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 43342130021 - 2² = 43342130017 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 (43342130011) 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, 955010 + ... + 999363.

It is an arithmetic number, because the mean of its divisors is an integer number (5515243428).

Almost surely, 2^43342130021 is an apocalyptic number.

It is an amenable number.

43342130021 is a deficient number, since it is larger than the sum of its proper divisors (779817403).

43342130021 is a wasteful number, since it uses less digits than its factorization.

43342130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954771.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 43342130021 its reverse (12003124334), we get a palindrome (55345254355).

The spelling of 43342130021 in words is "forty-three billion, three hundred forty-two million, one hundred thirty thousand, twenty-one".