203235420115353 has 16 divisors (see below), whose sum is σ = 283500606504960. Its totient is φ = 129261018687504.

The previous prime is 203235420115337. The next prime is 203235420115397. The reversal of 203235420115353 is 353511024532302.

It is not a de Polignac number, because 203235420115353 - 2⁴ = 203235420115337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203235420115853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3845196643 + ... + 3845249496.

It is an arithmetic number, because the mean of its divisors is an integer number (17718787906560).

Almost surely, 2^{203235420115353} is an apocalyptic number.

203235420115353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

203235420115353 is a deficient number, since it is larger than the sum of its proper divisors (80265186389607).

203235420115353 is a wasteful number, since it uses less digits than its factorization.

203235420115353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7690446548.

The product of its (nonzero) digits is 324000, while the sum is 39.

Adding to 203235420115353 its reverse (353511024532302), we get a palindrome (556746444647655).

The spelling of 203235420115353 in words is "two hundred three trillion, two hundred thirty-five billion, four hundred twenty million, one hundred fifteen thousand, three hundred fifty-three".