230221003 has 4 divisors (see below), whose sum is σ = 230505688. Its totient is φ = 229936320.

The previous prime is 230220877. The next prime is 230221031. The reversal of 230221003 is 300122032.

It is a happy number.

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 230221003 - 2⁹ = 230220491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230221073) 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, 141126 + ... + 142747.

It is an arithmetic number, because the mean of its divisors is an integer number (57626422).

Almost surely, 2^230221003 is an apocalyptic number.

230221003 is a deficient number, since it is larger than the sum of its proper divisors (284685).

230221003 is an equidigital number, since it uses as much as digits as its factorization.

230221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284684.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 230221003 is about 15173.0353917731. The cubic root of 230221003 is about 612.8887465788. Note that the first 3 decimals are identical.

Adding to 230221003 its reverse (300122032), we get a palindrome (530343035).

It can be divided in two parts, 23022 and 1003, that added together give a square (24025 = 155²).

The spelling of 230221003 in words is "two hundred thirty million, two hundred twenty-one thousand, three".