230020503 has 4 divisors (see below), whose sum is σ = 306694008. Its totient is φ = 153347000.

The previous prime is 230020499. The next prime is 230020513. The reversal of 230020503 is 305020032.

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 230020503 - 2² = 230020499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230020513) 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, 38336748 + ... + 38336753.

It is an arithmetic number, because the mean of its divisors is an integer number (76673502).

Almost surely, 2^230020503 is an apocalyptic number.

230020503 is a deficient number, since it is larger than the sum of its proper divisors (76673505).

230020503 is an equidigital number, since it uses as much as digits as its factorization.

230020503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76673504.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 230020503 is about 15166.4268369316. The cubic root of 230020503 is about 612.7107728307.

Adding to 230020503 its reverse (305020032), we get a palindrome (535040535).

The spelling of 230020503 in words is "two hundred thirty million, twenty thousand, five hundred three".