230320403 has 4 divisors (see below), whose sum is σ = 243868680. Its totient is φ = 216772128.

The previous prime is 230320397. The next prime is 230320429. The reversal of 230320403 is 304023032.

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 230320403 - 2¹⁰ = 230319379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 13548259 = 230320403 / (2 + 3 + 0 + 3 + 2 + 0 + 4 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230320003) 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, 6774113 + ... + 6774146.

It is an arithmetic number, because the mean of its divisors is an integer number (60967170).

Almost surely, 2^230320403 is an apocalyptic number.

230320403 is a deficient number, since it is larger than the sum of its proper divisors (13548277).

230320403 is a wasteful number, since it uses less digits than its factorization.

230320403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13548276.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 230320403 is about 15176.3105859099. The cubic root of 230320403 is about 612.9769406401.

Adding to 230320403 its reverse (304023032), we get a palindrome (534343435).

The spelling of 230320403 in words is "two hundred thirty million, three hundred twenty thousand, four hundred three".