100340423 has 2 divisors, whose sum is σ = 100340424. Its totient is φ = 100340422.

The previous prime is 100340413. The next prime is 100340453. The reversal of 100340423 is 324043001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100340423 - 2¹⁴ = 100324039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100340413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50170211 + 50170212.

It is an arithmetic number, because the mean of its divisors is an integer number (50170212).

Almost surely, 2^100340423 is an apocalyptic number.

100340423 is a deficient number, since it is larger than the sum of its proper divisors (1).

100340423 is an equidigital number, since it uses as much as digits as its factorization.

100340423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 100340423 is about 10017.0066886271. The cubic root of 100340423 is about 464.6849880169.

Adding to 100340423 its reverse (324043001), we get a palindrome (424383424).

The spelling of 100340423 in words is "one hundred million, three hundred forty thousand, four hundred twenty-three".