243314202253 has 8 divisors (see below), whose sum is σ = 243474380408. Its totient is φ = 243154082304.

The previous prime is 243314202191. The next prime is 243314202281. The reversal of 243314202253 is 352202413342.

It can be written as a sum of positive squares in 4 ways, for example, as 1625944329 + 241688257924 = 40323^2 + 491618^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243314202253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243314202953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10825375 + ... + 10847827.

It is an arithmetic number, because the mean of its divisors is an integer number (30434297551).

Almost surely, 2^243314202253 is an apocalyptic number.

It is an amenable number.

243314202253 is a deficient number, since it is larger than the sum of its proper divisors (160178155).

243314202253 is a wasteful number, since it uses less digits than its factorization.

243314202253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29103.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 243314202253 its reverse (352202413342), we get a palindrome (595516615595).

The spelling of 243314202253 in words is "two hundred forty-three billion, three hundred fourteen million, two hundred two thousand, two hundred fifty-three".