420001323 has 8 divisors (see below), whose sum is σ = 640002048. Its totient is φ = 240000744.

The previous prime is 420001297. The next prime is 420001381. The reversal of 420001323 is 323100024.

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

It is not a de Polignac number, because 420001323 - 2⁵ = 420001291 is a prime.

It is a super-2 number, since 2×420001323² = 352802222643500658, which contains 22 as substring.

420001323 is a modest number, since divided by 1323 gives 420 as remainder.

It is not an unprimeable number, because it can be changed into a prime (420001123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10000011 + ... + 10000052.

It is an arithmetic number, because the mean of its divisors is an integer number (80000256).

Almost surely, 2^420001323 is an apocalyptic number.

420001323 is a deficient number, since it is larger than the sum of its proper divisors (220000725).

420001323 is a wasteful number, since it uses less digits than its factorization.

420001323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20000073.

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

The square root of 420001323 is about 20493.9338097887. The cubic root of 420001323 is about 748.8880250526. Note that the first 3 decimals are identical.

Adding to 420001323 its reverse (323100024), we get a palindrome (743101347).

The spelling of 420001323 in words is "four hundred twenty million, one thousand, three hundred twenty-three".