100723201 has 2 divisors, whose sum is σ = 100723202. Its totient is φ = 100723200.

The previous prime is 100723163. The next prime is 100723219. The reversal of 100723201 is 102327001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84198976 + 16524225 = 9176^2 + 4065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100723201 is a prime.

It is not a weakly prime, because it can be changed into another prime (100733201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50361600 + 50361601.

It is an arithmetic number, because the mean of its divisors is an integer number (50361601).

Almost surely, 2^100723201 is an apocalyptic number.

It is an amenable number.

100723201 is a deficient number, since it is larger than the sum of its proper divisors (1).

100723201 is an equidigital number, since it uses as much as digits as its factorization.

100723201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 100723201 is about 10036.0949078813. The cubic root of 100723201 is about 465.2751306618.

The spelling of 100723201 in words is "one hundred million, seven hundred twenty-three thousand, two hundred one".