203455111135234 has 32 divisors (see below), whose sum is σ = 351445665859200. Its totient is φ = 86528690277120.

The previous prime is 203455111135223. The next prime is 203455111135261. The reversal of 203455111135234 is 432531111554302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247158922 + ... + 247980730.

It is an arithmetic number, because the mean of its divisors is an integer number (10982677058100).

Almost surely, 2^{203455111135234} is an apocalyptic number.

203455111135234 is a deficient number, since it is larger than the sum of its proper divisors (147990554723966).

203455111135234 is a wasteful number, since it uses less digits than its factorization.

203455111135234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956938.

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 203455111135234 its reverse (432531111554302), we get a palindrome (635986222689536).

The spelling of 203455111135234 in words is "two hundred three trillion, four hundred fifty-five billion, one hundred eleven million, one hundred thirty-five thousand, two hundred thirty-four".