430421231100 has 144 divisors (see below), whose sum is σ = 1424636595200. Its totient is φ = 98286808320.

The previous prime is 430421231033. The next prime is 430421231101. The reversal of 430421231100 is 1132124034.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430421231101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2083266 + ... + 2280534.

Almost surely, 2^430421231100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 430421231100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (712318297600).

430421231100 is an abundant number, since it is smaller than the sum of its proper divisors (994215364100).

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

430421231100 is a wasteful number, since it uses less digits than its factorization.

430421231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198332 (or 198325 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 430421231100 its reverse (1132124034), we get a palindrome (431553355134).

The spelling of 430421231100 in words is "four hundred thirty billion, four hundred twenty-one million, two hundred thirty-one thousand, one hundred".