420321003 has 8 divisors (see below), whose sum is σ = 560795088. Its totient is φ = 280030464.

The previous prime is 420320969. The next prime is 420321019. The reversal of 420321003 is 300123024.

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

It is not a de Polignac number, because 420321003 - 2²² = 416126699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420321043) 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, 40450 + ... + 49767.

It is an arithmetic number, because the mean of its divisors is an integer number (70099386).

Almost surely, 2^420321003 is an apocalyptic number.

420321003 is a deficient number, since it is larger than the sum of its proper divisors (140474085).

420321003 is a wasteful number, since it uses less digits than its factorization.

420321003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91773.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 420321003 is about 20501.7317073461. The cubic root of 420321003 is about 749.0779798585.

Adding to 420321003 its reverse (300123024), we get a palindrome (720444027).

The spelling of 420321003 in words is "four hundred twenty million, three hundred twenty-one thousand, three".