421544760323 has 4 divisors (see below), whose sum is σ = 421550618160. Its totient is φ = 421538902488.

The previous prime is 421544760313. The next prime is 421544760341. The reversal of 421544760323 is 323067445124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421544760323 - 2⁸ = 421544760067 is a prime.

It is a super-3 number, since 3×421544760323³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421544760313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2819615 + ... + 2965352.

It is an arithmetic number, because the mean of its divisors is an integer number (105387654540).

Almost surely, 2^421544760323 is an apocalyptic number.

421544760323 is a deficient number, since it is larger than the sum of its proper divisors (5857837).

421544760323 is an equidigital number, since it uses as much as digits as its factorization.

421544760323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5857836.

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 421544760323 in words is "four hundred twenty-one billion, five hundred forty-four million, seven hundred sixty thousand, three hundred twenty-three".