203940360073 has 8 divisors (see below), whose sum is σ = 216249363360. Its totient is φ = 191666080320.

The previous prime is 203940360047. The next prime is 203940360077. The reversal of 203940360073 is 370063049302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203940360073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203940360077) 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, 8668783 + ... + 8692276.

It is an arithmetic number, because the mean of its divisors is an integer number (27031170420).

Almost surely, 2^203940360073 is an apocalyptic number.

It is an amenable number.

203940360073 is a deficient number, since it is larger than the sum of its proper divisors (12309003287).

203940360073 is a wasteful number, since it uses less digits than its factorization.

203940360073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17361767.

The product of its (nonzero) digits is 81648, while the sum is 37.

The spelling of 203940360073 in words is "two hundred three billion, nine hundred forty million, three hundred sixty thousand, seventy-three".