42322543353421 has 8 divisors (see below), whose sum is σ = 44552999596320. Its totient is φ = 40092382506672.

The previous prime is 42322543353413. The next prime is 42322543353437. The reversal of 42322543353421 is 12435334522324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42322543353421 - 2³ = 42322543353413 is a prime.

It is a super-2 number, since 2×42322543353421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42322543353451) 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, 73554910 + ... + 74128063.

It is an arithmetic number, because the mean of its divisors is an integer number (5569124949540).

Almost surely, 2^{42322543353421} is an apocalyptic number.

It is an amenable number.

42322543353421 is a deficient number, since it is larger than the sum of its proper divisors (2230456242899).

42322543353421 is a wasteful number, since it uses less digits than its factorization.

42322543353421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147698075.

The product of its digits is 2073600, while the sum is 43.

Adding to 42322543353421 its reverse (12435334522324), we get a palindrome (54757877875745).

The spelling of 42322543353421 in words is "forty-two trillion, three hundred twenty-two billion, five hundred forty-three million, three hundred fifty-three thousand, four hundred twenty-one".