323420203 has 4 divisors (see below), whose sum is σ = 323463960. Its totient is φ = 323376448.

The previous prime is 323420191. The next prime is 323420249. The reversal of 323420203 is 302024323.

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 323420203 - 2⁵ = 323420171 is a prime.

It is a super-2 number, since 2×323420203² = 209201255417122418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323423203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7750 + ... + 26587.

It is an arithmetic number, because the mean of its divisors is an integer number (80865990).

Almost surely, 2^323420203 is an apocalyptic number.

323420203 is a deficient number, since it is larger than the sum of its proper divisors (43757).

323420203 is an equidigital number, since it uses as much as digits as its factorization.

323420203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43756.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 323420203 is about 17983.8873161505. The cubic root of 323420203 is about 686.4186083868.

Adding to 323420203 its reverse (302024323), we get a palindrome (625444526).

The spelling of 323420203 in words is "three hundred twenty-three million, four hundred twenty thousand, two hundred three".