230421400 has 192 divisors, whose sum is σ = 635182560. Its totient is φ = 76800000.

The previous prime is 230421343. The next prime is 230421407. The reversal of 230421400 is 4124032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230421407) 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, 2281350 + ... + 2281450.

Almost surely, 2^230421400 is an apocalyptic number.

230421400 is a gapful number since it is divisible by the number (20) 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 230421400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317591280).

230421400 is an abundant number, since it is smaller than the sum of its proper divisors (404761160).

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

230421400 is a wasteful number, since it uses less digits than its factorization.

230421400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 230421400 is about 15179.6376768354. The cubic root of 230421400 is about 613.0665256766.

Adding to 230421400 its reverse (4124032), we get a palindrome (234545432).

It can be divided in two parts, 23042 and 1400, that added together give a palindrome (24442).

The spelling of 230421400 in words is "two hundred thirty million, four hundred twenty-one thousand, four hundred".