203417884142 has 32 divisors (see below), whose sum is σ = 347687009280. Its totient is φ = 88407537120.

The previous prime is 203417884049. The next prime is 203417884199. The reversal of 203417884142 is 241488714302.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 203417884093 and 203417884102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1482038 + ... + 1613465.

It is an arithmetic number, because the mean of its divisors is an integer number (10865219040).

Almost surely, 2^203417884142 is an apocalyptic number.

203417884142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

203417884142 is a deficient number, since it is larger than the sum of its proper divisors (144269125138).

203417884142 is a wasteful number, since it uses less digits than its factorization.

203417884142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095648.

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 203417884142 in words is "two hundred three billion, four hundred seventeen million, eight hundred eighty-four thousand, one hundred forty-two".