100198823 has 2 divisors, whose sum is σ = 100198824. Its totient is φ = 100198822.

The previous prime is 100198817. The next prime is 100198829. The reversal of 100198823 is 328891001.

It is a balanced prime because it is at equal distance from previous prime (100198817) and next prime (100198829).

It is a cyclic number.

It is not a de Polignac number, because 100198823 - 2⁴ = 100198807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100198823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100198829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50099411 + 50099412.

It is an arithmetic number, because the mean of its divisors is an integer number (50099412).

Almost surely, 2^100198823 is an apocalyptic number.

100198823 is a deficient number, since it is larger than the sum of its proper divisors (1).

100198823 is an equidigital number, since it uses as much as digits as its factorization.

100198823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 100198823 is about 10009.9362135830. The cubic root of 100198823 is about 464.4662979198.

The spelling of 100198823 in words is "one hundred million, one hundred ninety-eight thousand, eight hundred twenty-three".