203373304673 has 72 divisors (see below), whose sum is σ = 280154230272. Its totient is φ = 144334080000.

The previous prime is 203373304663. The next prime is 203373304697. The reversal of 203373304673 is 376403373302.

It is not a de Polignac number, because 203373304673 - 2¹⁴ = 203373288289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203373304673.

It is not an unprimeable number, because it can be changed into a prime (203373304663) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7574873 + ... + 7601673.

It is an arithmetic number, because the mean of its divisors is an integer number (3891030976).

Almost surely, 2^203373304673 is an apocalyptic number.

It is an amenable number.

203373304673 is a deficient number, since it is larger than the sum of its proper divisors (76780925599).

203373304673 is a wasteful number, since it uses less digits than its factorization.

203373304673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26895 (or 26867 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 41.

Adding to 203373304673 its reverse (376403373302), we get a palindrome (579776677975).

The spelling of 203373304673 in words is "two hundred three billion, three hundred seventy-three million, three hundred four thousand, six hundred seventy-three".