43421023422 has 24 divisors (see below), whose sum is σ = 107518724976. Its totient is φ = 12406006656.

The previous prime is 43421023333. The next prime is 43421023441. The reversal of 43421023422 is 22432012434.

43421023422 is a `hidden beast` number, since 4 + 3 + 4 + 210 + 23 + 422 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 172305523 + ... + 172305774.

It is an arithmetic number, because the mean of its divisors is an integer number (4479946874).

Almost surely, 2^43421023422 is an apocalyptic number.

43421023422 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

43421023422 is an abundant number, since it is smaller than the sum of its proper divisors (64097701554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43421023422 is a wasteful number, since it uses less digits than its factorization.

43421023422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344611312 (or 344611309 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 43421023422 its reverse (22432012434), we get a palindrome (65853035856).

The spelling of 43421023422 in words is "forty-three billion, four hundred twenty-one million, twenty-three thousand, four hundred twenty-two".