423784419 has 8 divisors (see below), whose sum is σ = 566456592. Its totient is φ = 281817600.

The previous prime is 423784409. The next prime is 423784441. The reversal of 423784419 is 914487324.

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

It is not a de Polignac number, because 423784419 - 2¹¹ = 423782371 is a prime.

It is a super-2 number, since 2×423784419² = 359186467574335122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (423784409) 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, 174934 + ... + 177339.

It is an arithmetic number, because the mean of its divisors is an integer number (70807074).

Almost surely, 2^423784419 is an apocalyptic number.

423784419 is a deficient number, since it is larger than the sum of its proper divisors (142672173).

423784419 is a wasteful number, since it uses less digits than its factorization.

423784419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352677.

The product of its digits is 193536, while the sum is 42.

The square root of 423784419 is about 20586.0248469684. The cubic root of 423784419 is about 751.1298047559.

The spelling of 423784419 in words is "four hundred twenty-three million, seven hundred eighty-four thousand, four hundred nineteen".