203535243042 has 16 divisors (see below), whose sum is σ = 415731560832. Its totient is φ = 66401568560.

The previous prime is 203535243017. The next prime is 203535243101. The reversal of 203535243042 is 240342535302.

It is a junction number, because it is equal to n+sod(n) for n = 203535242994 and 203535243012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360877809 + ... + 360878372.

It is an arithmetic number, because the mean of its divisors is an integer number (25983222552).

Almost surely, 2^203535243042 is an apocalyptic number.

203535243042 is an abundant number, since it is smaller than the sum of its proper divisors (212196317790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203535243042 is a wasteful number, since it uses less digits than its factorization.

203535243042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721756233.

The product of its (nonzero) digits is 86400, while the sum is 33.

Adding to 203535243042 its reverse (240342535302), we get a palindrome (443877778344).

The spelling of 203535243042 in words is "two hundred three billion, five hundred thirty-five million, two hundred forty-three thousand, forty-two".