423783195421 has 8 divisors (see below), whose sum is σ = 425784943584. Its totient is φ = 421786076880.

The previous prime is 423783195397. The next prime is 423783195431. The reversal of 423783195421 is 124591387324.

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 423783195421 - 2¹⁹ = 423782671133 is a prime.

It is a super-3 number, since 3×423783195421³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423783195431) 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, 973831 + ... + 1340116.

It is an arithmetic number, because the mean of its divisors is an integer number (53223117948).

Almost surely, 2^423783195421 is an apocalyptic number.

It is an amenable number.

423783195421 is a deficient number, since it is larger than the sum of its proper divisors (2001748163).

423783195421 is a wasteful number, since it uses less digits than its factorization.

423783195421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314811.

The product of its digits is 1451520, while the sum is 49.

The spelling of 423783195421 in words is "four hundred twenty-three billion, seven hundred eighty-three million, one hundred ninety-five thousand, four hundred twenty-one".