423433230420 has 48 divisors (see below), whose sum is σ = 1186722311040. Its totient is φ = 112809883776.

The previous prime is 423433230401. The next prime is 423433230449. The reversal of 423433230420 is 24032334324.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3236712 + ... + 3364991.

It is an arithmetic number, because the mean of its divisors is an integer number (24723381480).

Almost surely, 2^423433230420 is an apocalyptic number.

It is an amenable number.

423433230420 is an abundant number, since it is smaller than the sum of its proper divisors (763289080620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423433230420 is a wasteful number, since it uses less digits than its factorization.

423433230420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602784 (or 6602782 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 423433230420 its reverse (24032334324), we get a palindrome (447465564744).

The spelling of 423433230420 in words is "four hundred twenty-three billion, four hundred thirty-three million, two hundred thirty thousand, four hundred twenty".