421123044341 has 4 divisors (see below), whose sum is σ = 424438973952. Its totient is φ = 417807114732.

The previous prime is 421123044299. The next prime is 421123044347. The reversal of 421123044341 is 143440321124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421123044341 - 2²⁶ = 421055935477 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 (421123044347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1657964615 + ... + 1657964868.

It is an arithmetic number, because the mean of its divisors is an integer number (106109743488).

Almost surely, 2^421123044341 is an apocalyptic number.

It is an amenable number.

421123044341 is a deficient number, since it is larger than the sum of its proper divisors (3315929611).

421123044341 is a wasteful number, since it uses less digits than its factorization.

421123044341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315929610.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 421123044341 its reverse (143440321124), we get a palindrome (564563365465).

The spelling of 421123044341 in words is "four hundred twenty-one billion, one hundred twenty-three million, forty-four thousand, three hundred forty-one".