230131543 has 4 divisors (see below), whose sum is σ = 231676200. Its totient is φ = 228586888.

The previous prime is 230131541. The next prime is 230131579. The reversal of 230131543 is 345131032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230131543 - 2¹ = 230131541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230131541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 772105 + ... + 772402.

It is an arithmetic number, because the mean of its divisors is an integer number (57919050).

Almost surely, 2^230131543 is an apocalyptic number.

230131543 is a deficient number, since it is larger than the sum of its proper divisors (1544657).

230131543 is a wasteful number, since it uses less digits than its factorization.

230131543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544656.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 230131543 is about 15170.0871124724. The cubic root of 230131543 is about 612.8093502162.

Adding to 230131543 its reverse (345131032), we get a palindrome (575262575).

The spelling of 230131543 in words is "two hundred thirty million, one hundred thirty-one thousand, five hundred forty-three".