230233140 has 72 divisors (see below), whose sum is σ = 699884640. Its totient is φ = 61262784.

The previous prime is 230233139. The next prime is 230233169. The reversal of 230233140 is 41332032.

It is a super-3 number, since 3×230233140³ (a number of 26 digits) contains 333 as substring.

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

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 23 ways as a sum of consecutive naturals, for example, 104571 + ... + 106749.

It is an arithmetic number, because the mean of its divisors is an integer number (9720620).

Almost surely, 2^230233140 is an apocalyptic number.

230233140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230233140 is an abundant number, since it is smaller than the sum of its proper divisors (469651500).

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

230233140 is a wasteful number, since it uses less digits than its factorization.

230233140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781 (or 2776 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 230233140 is about 15173.4353394345. The cubic root of 230233140 is about 612.8995166648.

Adding to 230233140 its reverse (41332032), we get a palindrome (271565172).

The spelling of 230233140 in words is "two hundred thirty million, two hundred thirty-three thousand, one hundred forty".