100723613728 has 12 divisors (see below), whose sum is σ = 198299614590. Its totient is φ = 50361806848.

The previous prime is 100723613693. The next prime is 100723613743. The reversal of 100723613728 is 827316327001.

It is a happy number.

100723613728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 86664294544 + 14059319184 = 294388^2 + 118572^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573806433 + ... + 1573806496.

Almost surely, 2^100723613728 is an apocalyptic number.

It is an amenable number.

100723613728 is a deficient number, since it is larger than the sum of its proper divisors (97576000862).

100723613728 is an equidigital number, since it uses as much as digits as its factorization.

100723613728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147612939 (or 3147612931 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 100723613728 in words is "one hundred billion, seven hundred twenty-three million, six hundred thirteen thousand, seven hundred twenty-eight".