100099423 has 2 divisors, whose sum is σ = 100099424. Its totient is φ = 100099422.

The previous prime is 100099397. The next prime is 100099453. The reversal of 100099423 is 324990001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100099423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100099391 and 100099400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100099453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50049711 + 50049712.

It is an arithmetic number, because the mean of its divisors is an integer number (50049712).

Almost surely, 2^100099423 is an apocalyptic number.

100099423 is a deficient number, since it is larger than the sum of its proper divisors (1).

100099423 is an equidigital number, since it uses as much as digits as its factorization.

100099423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 100099423 is about 10004.9699149972. The cubic root of 100099423 is about 464.3126593052.

The spelling of 100099423 in words is "one hundred million, ninety-nine thousand, four hundred twenty-three".