201304243 has 16 divisors (see below), whose sum is σ = 235560960. Its totient is φ = 168441696.

The previous prime is 201304237. The next prime is 201304249. The reversal of 201304243 is 342403102.

It is an interprime number because it is at equal distance from previous prime (201304237) and next prime (201304249).

It is a cyclic number.

It is not a de Polignac number, because 201304243 - 2²¹ = 199207091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201304243.

It is not an unprimeable number, because it can be changed into a prime (201304249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232830 + ... + 233692.

It is an arithmetic number, because the mean of its divisors is an integer number (14722560).

Almost surely, 2^201304243 is an apocalyptic number.

201304243 is a deficient number, since it is larger than the sum of its proper divisors (34256717).

201304243 is an equidigital number, since it uses as much as digits as its factorization.

201304243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 201304243 is about 14188.1726448475. The cubic root of 201304243 is about 586.0720042216.

Adding to 201304243 its reverse (342403102), we get a palindrome (543707345).

The spelling of 201304243 in words is "two hundred one million, three hundred four thousand, two hundred forty-three".