420325023 has 16 divisors (see below), whose sum is σ = 586379520. Its totient is φ = 267309504.

The previous prime is 420324991. The next prime is 420325067. The reversal of 420325023 is 320523024.

It is not a de Polignac number, because 420325023 - 2⁵ = 420324991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420325093) 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, 18115 + ... + 34187.

It is an arithmetic number, because the mean of its divisors is an integer number (36648720).

Almost surely, 2^420325023 is an apocalyptic number.

420325023 is a deficient number, since it is larger than the sum of its proper divisors (166054497).

420325023 is a wasteful number, since it uses less digits than its factorization.

420325023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16478.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 420325023 is about 20501.8297476103. The cubic root of 420325023 is about 749.0803679412.

Adding to 420325023 its reverse (320523024), we get a palindrome (740848047).

The spelling of 420325023 in words is "four hundred twenty million, three hundred twenty-five thousand, twenty-three".