203099145326 has 32 divisors (see below), whose sum is σ = 380679291648. Its totient is φ = 78950888640.

The previous prime is 203099145313. The next prime is 203099145371. The reversal of 203099145326 is 623541990302.

203099145326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420295 + ... + 1556738.

It is an arithmetic number, because the mean of its divisors is an integer number (11896227864).

Almost surely, 2^203099145326 is an apocalyptic number.

203099145326 is a deficient number, since it is larger than the sum of its proper divisors (177580146322).

203099145326 is a wasteful number, since it uses less digits than its factorization.

203099145326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977496.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 203099145326 in words is "two hundred three billion, ninety-nine million, one hundred forty-five thousand, three hundred twenty-six".