100345423 has 16 divisors (see below), whose sum is σ = 107412480. Its totient is φ = 93575776.

The previous prime is 100345387. The next prime is 100345447. The reversal of 100345423 is 324543001.

It is a cyclic number.

It is not a de Polignac number, because 100345423 - 2⁹ = 100344911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100345394 and 100345403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100345523) 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 15 ways as a sum of consecutive naturals, for example, 112686 + ... + 113572.

It is an arithmetic number, because the mean of its divisors is an integer number (6713280).

Almost surely, 2^100345423 is an apocalyptic number.

100345423 is a deficient number, since it is larger than the sum of its proper divisors (7067057).

100345423 is an equidigital number, since it uses as much as digits as its factorization.

100345423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 100345423 is about 10017.2562610727. The cubic root of 100345423 is about 464.6927063630.

Adding to 100345423 its reverse (324543001), we get a palindrome (424888424).

The spelling of 100345423 in words is "one hundred million, three hundred forty-five thousand, four hundred twenty-three".