420042313233 has 24 divisors (see below), whose sum is σ = 639253959552. Its totient is φ = 265252540608.

The previous prime is 420042313231. The next prime is 420042313237. The reversal of 420042313233 is 332313240024.

420042313233 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 423 + 1 + 3 + 233 = 666.

It is not a de Polignac number, because 420042313233 - 2¹ = 420042313231 is a prime.

It is a super-2 number, since 2×420042313233² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 420042313197 and 420042313206.

It is not an unprimeable number, because it can be changed into a prime (420042313231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9829116 + ... + 9871757.

It is an arithmetic number, because the mean of its divisors is an integer number (26635581648).

Almost surely, 2^420042313233 is an apocalyptic number.

It is an amenable number.

420042313233 is a deficient number, since it is larger than the sum of its proper divisors (219211646319).

420042313233 is a wasteful number, since it uses less digits than its factorization.

420042313233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19701005 (or 19701002 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 420042313233 its reverse (332313240024), we get a palindrome (752355553257).

The spelling of 420042313233 in words is "four hundred twenty billion, forty-two million, three hundred thirteen thousand, two hundred thirty-three".