653243231303 has 8 divisors (see below), whose sum is σ = 703650613008. Its totient is φ = 602858407104.

The previous prime is 653243231273. The next prime is 653243231323. The reversal of 653243231303 is 303132342356.

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 653243231303 - 2¹⁰ = 653243230279 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 (653243231323) 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, 5579201 + ... + 5695082.

It is an arithmetic number, because the mean of its divisors is an integer number (87956326626).

Almost surely, 2^653243231303 is an apocalyptic number.

653243231303 is a deficient number, since it is larger than the sum of its proper divisors (50407381705).

653243231303 is a wasteful number, since it uses less digits than its factorization.

653243231303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11278753.

The product of its (nonzero) digits is 116640, while the sum is 35.

Adding to 653243231303 its reverse (303132342356), we get a palindrome (956375573659).

The spelling of 653243231303 in words is "six hundred fifty-three billion, two hundred forty-three million, two hundred thirty-one thousand, three hundred three".