43342302021 has 4 divisors (see below), whose sum is σ = 57789736032. Its totient is φ = 28894868012.

The previous prime is 43342302019. The next prime is 43342302071. The reversal of 43342302021 is 12020324334.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43342302021 - 2¹ = 43342302019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43342301982 and 43342302000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43342302011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7223717001 + ... + 7223717006.

It is an arithmetic number, because the mean of its divisors is an integer number (14447434008).

Almost surely, 2^43342302021 is an apocalyptic number.

It is an amenable number.

43342302021 is a deficient number, since it is larger than the sum of its proper divisors (14447434011).

43342302021 is a wasteful number, since it uses less digits than its factorization.

43342302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14447434010.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 43342302021 its reverse (12020324334), we get a palindrome (55362626355).

The spelling of 43342302021 in words is "forty-three billion, three hundred forty-two million, three hundred two thousand, twenty-one".