421123144312043 has 8 divisors (see below), whose sum is σ = 435305709296640. Its totient is φ = 406977951041640.

The previous prime is 421123144311887. The next prime is 421123144312051. The reversal of 421123144312043 is 340213441321124.

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 421123144312043 - 2⁸ = 421123144311787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421123144311994 and 421123144312012.

It is not an unprimeable number, because it can be changed into a prime (421123144312093) 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, 9342905633 + ... + 9342950706.

It is an arithmetic number, because the mean of its divisors is an integer number (54413213662080).

Almost surely, 2^{421123144312043} is an apocalyptic number.

421123144312043 is a deficient number, since it is larger than the sum of its proper divisors (14182564984597).

421123144312043 is a wasteful number, since it uses less digits than its factorization.

421123144312043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18685857097.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 421123144312043 its reverse (340213441321124), we get a palindrome (761336585633167).

The spelling of 421123144312043 in words is "four hundred twenty-one trillion, one hundred twenty-three billion, one hundred forty-four million, three hundred twelve thousand, forty-three".