4223340231421 has 8 divisors (see below), whose sum is σ = 4292985680984. Its totient is φ = 4153708019520.

The previous prime is 4223340231419. The next prime is 4223340231431. The reversal of 4223340231421 is 1241320433224.

It can be written as a sum of positive squares in 4 ways, for example, as 129136016025 + 4094204215396 = 359355^2 + 2023414^2 .

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 4223340231421 - 2¹ = 4223340231419 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 (4223340231431) 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, 2665050 + ... + 3943243.

It is an arithmetic number, because the mean of its divisors is an integer number (536623210123).

Almost surely, 2^{4223340231421} is an apocalyptic number.

It is an amenable number.

4223340231421 is a deficient number, since it is larger than the sum of its proper divisors (69645449563).

4223340231421 is a wasteful number, since it uses less digits than its factorization.

4223340231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6618831.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 4223340231421 its reverse (1241320433224), we get a palindrome (5464660664645).

The spelling of 4223340231421 in words is "four trillion, two hundred twenty-three billion, three hundred forty million, two hundred thirty-one thousand, four hundred twenty-one".