421243344230 has 32 divisors (see below), whose sum is σ = 791268481728. Its totient is φ = 161158412800.

The previous prime is 421243344229. The next prime is 421243344239. The reversal of 421243344230 is 32443342124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421243344239) 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 15 ways as a sum of consecutive naturals, for example, 3089090 + ... + 3222570.

It is an arithmetic number, because the mean of its divisors is an integer number (24727140054).

Almost surely, 2^421243344230 is an apocalyptic number.

421243344230 is a deficient number, since it is larger than the sum of its proper divisors (370025137498).

421243344230 is a wasteful number, since it uses less digits than its factorization.

421243344230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147232.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 421243344230 its reverse (32443342124), we get a palindrome (453686686354).

The spelling of 421243344230 in words is "four hundred twenty-one billion, two hundred forty-three million, three hundred forty-four thousand, two hundred thirty".