230143334140 has 24 divisors (see below), whose sum is σ = 508737897360. Its totient is φ = 87212210688.

The previous prime is 230143334129. The next prime is 230143334227. The reversal of 230143334140 is 41433341032.

It is a junction number, because it is equal to n+sod(n) for n = 230143334099 and 230143334108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302819797 + ... + 302820556.

It is an arithmetic number, because the mean of its divisors is an integer number (21197412390).

Almost surely, 2^230143334140 is an apocalyptic number.

230143334140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230143334140 is an abundant number, since it is smaller than the sum of its proper divisors (278594563220).

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

230143334140 is a wasteful number, since it uses less digits than its factorization.

230143334140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605640381 (or 605640379 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 230143334140 its reverse (41433341032), we get a palindrome (271576675172).

The spelling of 230143334140 in words is "two hundred thirty billion, one hundred forty-three million, three hundred thirty-four thousand, one hundred forty".