421323324132 has 96 divisors (see below), whose sum is σ = 1021303628800. Its totient is φ = 135041126400.

The previous prime is 421323324127. The next prime is 421323324137. The reversal of 421323324132 is 231423323124.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (421323324127) and next prime (421323324137).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 421323324132.

It is not an unprimeable number, because it can be changed into a prime (421323324137) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 108335244 + ... + 108339132.

Almost surely, 2^421323324132 is an apocalyptic number.

It is an amenable number.

421323324132 is an abundant number, since it is smaller than the sum of its proper divisors (599980304668).

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

421323324132 is a wasteful number, since it uses less digits than its factorization.

421323324132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5717 (or 5715 counting only the distinct ones).

The product of its digits is 20736, while the sum is 30.

Adding to 421323324132 its reverse (231423323124), we get a palindrome (652746647256).

The spelling of 421323324132 in words is "four hundred twenty-one billion, three hundred twenty-three million, three hundred twenty-four thousand, one hundred thirty-two".