100649723 has 2 divisors, whose sum is σ = 100649724. Its totient is φ = 100649722.

The previous prime is 100649683. The next prime is 100649737. The reversal of 100649723 is 327946001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100649723 - 2¹⁰ = 100648699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100649723.

It is not a weakly prime, because it can be changed into another prime (100649123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50324861 + 50324862.

It is an arithmetic number, because the mean of its divisors is an integer number (50324862).

Almost surely, 2^100649723 is an apocalyptic number.

100649723 is a deficient number, since it is larger than the sum of its proper divisors (1).

100649723 is an equidigital number, since it uses as much as digits as its factorization.

100649723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 100649723 is about 10032.4335532312. The cubic root of 100649723 is about 465.1619630818.

The spelling of 100649723 in words is "one hundred million, six hundred forty-nine thousand, seven hundred twenty-three".