230413993 has 4 divisors (see below), whose sum is σ = 230544720. Its totient is φ = 230283268.

The previous prime is 230413927. The next prime is 230413999. The reversal of 230413993 is 399314032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230413993 - 2¹³ = 230405801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230413999) 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, 62683 + ... + 66256.

It is an arithmetic number, because the mean of its divisors is an integer number (57636180).

Almost surely, 2^230413993 is an apocalyptic number.

It is an amenable number.

230413993 is a deficient number, since it is larger than the sum of its proper divisors (130727).

230413993 is a wasteful number, since it uses less digits than its factorization.

230413993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130726.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 230413993 is about 15179.3936967192. The cubic root of 230413993 is about 613.0599565061.

The spelling of 230413993 in words is "two hundred thirty million, four hundred thirteen thousand, nine hundred ninety-three".