201230424 has 96 divisors (see below), whose sum is σ = 569462400. Its totient is φ = 64120320.

The previous prime is 201230423. The next prime is 201230431. The reversal of 201230424 is 424032102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201230397 and 201230406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201230423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198142 + ... + 199154.

It is an arithmetic number, because the mean of its divisors is an integer number (5931900).

Almost surely, 2^201230424 is an apocalyptic number.

201230424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201230424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284731200).

201230424 is an abundant number, since it is smaller than the sum of its proper divisors (368231976).

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

201230424 is a wasteful number, since it uses less digits than its factorization.

201230424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 201230424 is about 14185.5709789913. The cubic root of 201230424 is about 586.0003572161. Note that the first 3 decimals are identical.

Adding to 201230424 its reverse (424032102), we get a palindrome (625262526).

The spelling of 201230424 in words is "two hundred one million, two hundred thirty thousand, four hundred twenty-four".