100342423 has 4 divisors (see below), whose sum is σ = 100867968. Its totient is φ = 99816880.

The previous prime is 100342387. The next prime is 100342441. The reversal of 100342423 is 324243001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100342423 - 2⁹ = 100341911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100342423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100342453) 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 in 3 ways as a sum of consecutive naturals, for example, 262486 + ... + 262867.

It is an arithmetic number, because the mean of its divisors is an integer number (25216992).

Almost surely, 2^100342423 is an apocalyptic number.

100342423 is a deficient number, since it is larger than the sum of its proper divisors (525545).

100342423 is an equidigital number, since it uses as much as digits as its factorization.

100342423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525544.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 100342423 is about 10017.1065183515. The cubic root of 100342423 is about 464.6880753861.

Adding to 100342423 its reverse (324243001), we get a palindrome (424585424).

The spelling of 100342423 in words is "one hundred million, three hundred forty-two thousand, four hundred twenty-three".