421783323 has 16 divisors (see below), whose sum is σ = 606045216. Its totient is φ = 259384320.

The previous prime is 421783301. The next prime is 421783331. The reversal of 421783323 is 323387124.

It is not a de Polignac number, because 421783323 - 2⁸ = 421783067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421783333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78561 + ... + 83757.

It is an arithmetic number, because the mean of its divisors is an integer number (37877826).

Almost surely, 2^421783323 is an apocalyptic number.

421783323 is a deficient number, since it is larger than the sum of its proper divisors (184261893).

421783323 is a wasteful number, since it uses less digits than its factorization.

421783323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7294.

The product of its digits is 24192, while the sum is 33.

The square root of 421783323 is about 20537.3640713700. The cubic root of 421783323 is about 749.9456689532.

The spelling of 421783323 in words is "four hundred twenty-one million, seven hundred eighty-three thousand, three hundred twenty-three".