230561399 has 4 divisors (see below), whose sum is σ = 235923336. Its totient is φ = 225199464.

The previous prime is 230561389. The next prime is 230561413. The reversal of 230561399 is 993165032.

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 230561399 - 2²⁰ = 229512823 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 (230561329) 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, 2680904 + ... + 2680989.

It is an arithmetic number, because the mean of its divisors is an integer number (58980834).

Almost surely, 2^230561399 is an apocalyptic number.

230561399 is a deficient number, since it is larger than the sum of its proper divisors (5361937).

230561399 is an equidigital number, since it uses as much as digits as its factorization.

230561399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361936.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 230561399 is about 15184.2483844279. The cubic root of 230561399 is about 613.1906624739.

The spelling of 230561399 in words is "two hundred thirty million, five hundred sixty-one thousand, three hundred ninety-nine".