230540013 has 20 divisors (see below), whose sum is σ = 375696288. Its totient is φ = 139720680.

The previous prime is 230539999. The next prime is 230540033. The reversal of 230540013 is 310045032.

It is not a de Polignac number, because 230540013 - 2⁶ = 230539949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230540033) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 128481 + ... + 130262.

Almost surely, 2^230540013 is an apocalyptic number.

It is an amenable number.

230540013 is a deficient number, since it is larger than the sum of its proper divisors (145156275).

230540013 is a wasteful number, since it uses less digits than its factorization.

230540013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258766 (or 258757 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 230540013 is about 15183.5441514819. The cubic root of 230540013 is about 613.1717028084.

Adding to 230540013 its reverse (310045032), we get a palindrome (540585045).

The spelling of 230540013 in words is "two hundred thirty million, five hundred forty thousand, thirteen".