420423233311 has 4 divisors (see below), whose sum is σ = 421102431400. Its totient is φ = 419744035224.

The previous prime is 420423233303. The next prime is 420423233339. The reversal of 420423233311 is 113332324024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420423233311 - 2³ = 420423233303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420423233311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420423233341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339598116 + ... + 339599353.

It is an arithmetic number, because the mean of its divisors is an integer number (105275607850).

Almost surely, 2^420423233311 is an apocalyptic number.

420423233311 is a deficient number, since it is larger than the sum of its proper divisors (679198089).

420423233311 is an equidigital number, since it uses as much as digits as its factorization.

420423233311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679198088.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 420423233311 its reverse (113332324024), we get a palindrome (533755557335).

The spelling of 420423233311 in words is "four hundred twenty billion, four hundred twenty-three million, two hundred thirty-three thousand, three hundred eleven".