230415543 has 16 divisors (see below), whose sum is σ = 349296640. Its totient is φ = 150037272.

The previous prime is 230415509. The next prime is 230415547. The reversal of 230415543 is 345514032.

It is not a de Polignac number, because 230415543 - 2¹³ = 230407351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230415547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98071 + ... + 100392.

It is an arithmetic number, because the mean of its divisors is an integer number (21831040).

Almost surely, 2^230415543 is an apocalyptic number.

230415543 is a deficient number, since it is larger than the sum of its proper divisors (118881097).

230415543 is a wasteful number, since it uses less digits than its factorization.

230415543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198515 (or 198509 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 230415543 is about 15179.4447526911. Note that the first 3 decimals coincide. The cubic root of 230415543 is about 613.0613311923.

Adding to 230415543 its reverse (345514032), we get a palindrome (575929575).

The spelling of 230415543 in words is "two hundred thirty million, four hundred fifteen thousand, five hundred forty-three".