421104324142443 has 8 divisors (see below), whose sum is σ = 562886720433808. Its totient is φ = 280029071973024.

The previous prime is 421104324142423. The next prime is 421104324142493. The reversal of 421104324142443 is 344241423401124.

It is a happy number.

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

It is not a de Polignac number, because 421104324142443 - 2¹³ = 421104324134251 is a prime.

It is a super-2 number, since 2×421104324142443² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421104324142423) 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, 176786029096 + ... + 176786031477.

It is an arithmetic number, because the mean of its divisors is an integer number (70360840054226).

Almost surely, 2^{421104324142443} is an apocalyptic number.

421104324142443 is a deficient number, since it is larger than the sum of its proper divisors (141782396291365).

421104324142443 is a wasteful number, since it uses less digits than its factorization.

421104324142443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353572060973.

The product of its (nonzero) digits is 294912, while the sum is 39.

Adding to 421104324142443 its reverse (344241423401124), we get a palindrome (765345747543567).

The spelling of 421104324142443 in words is "four hundred twenty-one trillion, one hundred four billion, three hundred twenty-four million, one hundred forty-two thousand, four hundred forty-three".