230121000 has 192 divisors, whose sum is σ = 807468480. Its totient is φ = 61300800.

The previous prime is 230120999. The next prime is 230121007. The reversal of 230121000 is 121032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (230121007) 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, 242527 + ... + 243473.

It is an arithmetic number, because the mean of its divisors is an integer number (4205565).

Almost surely, 2^230121000 is an apocalyptic number.

230121000 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 230121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403734240).

230121000 is an abundant number, since it is smaller than the sum of its proper divisors (577347480).

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

230121000 is an equidigital number, since it uses as much as digits as its factorization.

230121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 230121000 is about 15169.7396154318. The cubic root of 230121000 is about 612.7999918762.

Adding to 230121000 its reverse (121032), we get a palindrome (230242032).

The spelling of 230121000 in words is "two hundred thirty million, one hundred twenty-one thousand".