203344234321 has 8 divisors (see below), whose sum is σ = 210381431400. Its totient is φ = 196308725760.

The previous prime is 203344234297. The next prime is 203344234339. The reversal of 203344234321 is 123432443302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 79185960000 + 124158274321 = 281400^2 + 352361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203344234321 - 2⁷ = 203344234193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203344234021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174640 + ... + 661201.

It is an arithmetic number, because the mean of its divisors is an integer number (26297678925).

Almost surely, 2^203344234321 is an apocalyptic number.

It is an amenable number.

203344234321 is a deficient number, since it is larger than the sum of its proper divisors (7037197079).

203344234321 is an equidigital number, since it uses as much as digits as its factorization.

203344234321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844259.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 203344234321 its reverse (123432443302), we get a palindrome (326776677623).

The spelling of 203344234321 in words is "two hundred three billion, three hundred forty-four million, two hundred thirty-four thousand, three hundred twenty-one".