100918523 has 2 divisors, whose sum is σ = 100918524. Its totient is φ = 100918522.

The previous prime is 100918487. The next prime is 100918537. The reversal of 100918523 is 325819001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100918523 - 2¹⁰ = 100917499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (100918723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50459261 + 50459262.

It is an arithmetic number, because the mean of its divisors is an integer number (50459262).

Almost surely, 2^100918523 is an apocalyptic number.

100918523 is a deficient number, since it is larger than the sum of its proper divisors (1).

100918523 is an equidigital number, since it uses as much as digits as its factorization.

100918523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 100918523 is about 10045.8211710143. The cubic root of 100918523 is about 465.5756896447.

The spelling of 100918523 in words is "one hundred million, nine hundred eighteen thousand, five hundred twenty-three".