420323001 has 16 divisors (see below), whose sum is σ = 650994048. Its totient is φ = 236246400.

The previous prime is 420322993. The next prime is 420323003. The reversal of 420323001 is 100323024.

It is not a de Polignac number, because 420323001 - 2³ = 420322993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420323003) 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, 162780 + ... + 165341.

It is an arithmetic number, because the mean of its divisors is an integer number (40687128).

Almost surely, 2^420323001 is an apocalyptic number.

It is an amenable number.

420323001 is a deficient number, since it is larger than the sum of its proper divisors (230671047).

420323001 is a wasteful number, since it uses less digits than its factorization.

420323001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328192.

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

The square root of 420323001 is about 20501.7804348793. The cubic root of 420323001 is about 749.0791667731.

Adding to 420323001 its reverse (100323024), we get a palindrome (520646025).

The spelling of 420323001 in words is "four hundred twenty million, three hundred twenty-three thousand, one".