420123421304 has 32 divisors (see below), whose sum is σ = 837241392000. Its totient is φ = 197073728352.

The previous prime is 420123421253. The next prime is 420123421339. The reversal of 420123421304 is 403124321024.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13401674 + ... + 13432985.

It is an arithmetic number, because the mean of its divisors is an integer number (26163793500).

Almost surely, 2^420123421304 is an apocalyptic number.

It is an amenable number.

420123421304 is a deficient number, since it is larger than the sum of its proper divisors (417117970696).

420123421304 is a wasteful number, since it uses less digits than its factorization.

420123421304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26834787 (or 26834783 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 420123421304 its reverse (403124321024), we get a palindrome (823247742328).

The spelling of 420123421304 in words is "four hundred twenty billion, one hundred twenty-three million, four hundred twenty-one thousand, three hundred four".