420654223 has 8 divisors (see below), whose sum is σ = 464705280. Its totient is φ = 377571480.

The previous prime is 420654191. The next prime is 420654233. The reversal of 420654223 is 322456024.

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

It is not a de Polignac number, because 420654223 - 2⁵ = 420654191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420654191 and 420654200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420654233) 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, 241165 + ... + 242902.

It is an arithmetic number, because the mean of its divisors is an integer number (58088160).

Almost surely, 2^420654223 is an apocalyptic number.

420654223 is a deficient number, since it is larger than the sum of its proper divisors (44051057).

420654223 is a wasteful number, since it uses less digits than its factorization.

420654223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484157.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 420654223 is about 20509.8567279247. The cubic root of 420654223 is about 749.2758776801.

The spelling of 420654223 in words is "four hundred twenty million, six hundred fifty-four thousand, two hundred twenty-three".