203903380378 has 8 divisors (see below), whose sum is σ = 321952705920. Its totient is φ = 96585811740.

The previous prime is 203903380361. The next prime is 203903380399. The reversal of 203903380378 is 873083309302.

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

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 3 ways as a sum of consecutive naturals, for example, 2682939178 + ... + 2682939253.

It is an arithmetic number, because the mean of its divisors is an integer number (40244088240).

Almost surely, 2^203903380378 is an apocalyptic number.

203903380378 is a deficient number, since it is larger than the sum of its proper divisors (118049325542).

203903380378 is a wasteful number, since it uses less digits than its factorization.

203903380378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5365878452.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 203903380378 in words is "two hundred three billion, nine hundred three million, three hundred eighty thousand, three hundred seventy-eight".