230312144 has 40 divisors (see below), whose sum is σ = 465470208. Its totient is φ = 110269440.

The previous prime is 230312123. The next prime is 230312191. The reversal of 230312144 is 441213032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45719 + ... + 50505.

Almost surely, 2^230312144 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 230312144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232735104).

230312144 is an abundant number, since it is smaller than the sum of its proper divisors (235158064).

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

230312144 is a wasteful number, since it uses less digits than its factorization.

230312144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923 (or 4917 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 230312144 is about 15176.0384817646. The cubic root of 230312144 is about 612.9696136918.

Adding to 230312144 its reverse (441213032), we get a palindrome (671525176).

The spelling of 230312144 in words is "two hundred thirty million, three hundred twelve thousand, one hundred forty-four".