420323042 has 8 divisors (see below), whose sum is σ = 652225500. Its totient is φ = 202914544.

The previous prime is 420323041. The next prime is 420323081. The reversal of 420323042 is 240323024.

It can be written as a sum of positive squares in 2 ways, for example, as 420291001 + 32041 = 20501^2 + 179^2 .

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

It is a super-2 number, since 2×420323042² = 353342919272267528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420323041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3623417 + ... + 3623532.

Almost surely, 2^420323042 is an apocalyptic number.

420323042 is a deficient number, since it is larger than the sum of its proper divisors (231902458).

420323042 is a wasteful number, since it uses less digits than its factorization.

420323042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7246980.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 420323042 is about 20501.7814347924. The cubic root of 420323042 is about 749.0791911292.

Adding to 420323042 its reverse (240323024), we get a palindrome (660646066).

The spelling of 420323042 in words is "four hundred twenty million, three hundred twenty-three thousand, forty-two".