203972543027 has 8 divisors (see below), whose sum is σ = 227249874432. Its totient is φ = 181484273800.

The previous prime is 203972543009. The next prime is 203972543083. The reversal of 203972543027 is 720345279302.

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-203972543027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203972548027) 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, 197264999 + ... + 197266032.

It is an arithmetic number, because the mean of its divisors is an integer number (28406234304).

Almost surely, 2^203972543027 is an apocalyptic number.

203972543027 is a deficient number, since it is larger than the sum of its proper divisors (23277331405).

203972543027 is a wasteful number, since it uses less digits than its factorization.

203972543027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394531089.

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 203972543027 in words is "two hundred three billion, nine hundred seventy-two million, five hundred forty-three thousand, twenty-seven".