423414443404221 has 8 divisors (see below), whose sum is σ = 566367872850624. Its totient is φ = 281368654780320.

The previous prime is 423414443404193. The next prime is 423414443404283. The reversal of 423414443404221 is 122404344414324.

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

It is not a de Polignac number, because 423414443404221 - 2¹⁹ = 423414442879933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423414443444221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226910204536 + ... + 226910206401.

It is an arithmetic number, because the mean of its divisors is an integer number (70795984106328).

Almost surely, 2^{423414443404221} is an apocalyptic number.

It is an amenable number.

423414443404221 is a deficient number, since it is larger than the sum of its proper divisors (142953429446403).

423414443404221 is a wasteful number, since it uses less digits than its factorization.

423414443404221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453820411251.

The product of its (nonzero) digits is 1179648, while the sum is 42.

Adding to 423414443404221 its reverse (122404344414324), we get a palindrome (545818787818545).

The spelling of 423414443404221 in words is "four hundred twenty-three trillion, four hundred fourteen billion, four hundred forty-three million, four hundred four thousand, two hundred twenty-one".