100100423 has 2 divisors, whose sum is σ = 100100424. Its totient is φ = 100100422.

The previous prime is 100100401. The next prime is 100100461. The reversal of 100100423 is 324001001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100100423 - 2⁶ = 100100359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100102423) 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, 50050211 + 50050212.

It is an arithmetic number, because the mean of its divisors is an integer number (50050212).

Almost surely, 2^100100423 is an apocalyptic number.

100100423 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100423 is an equidigital number, since it uses as much as digits as its factorization.

100100423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 100100423 is about 10005.0198900352. The cubic root of 100100423 is about 464.3142054716.

Adding to 100100423 its reverse (324001001), we get a palindrome (424101424).

The spelling of 100100423 in words is "one hundred million, one hundred thousand, four hundred twenty-three".