100344123329 has 4 divisors (see below), whose sum is σ = 100344943920. Its totient is φ = 100343302740.

The previous prime is 100344123323. The next prime is 100344123343. The reversal of 100344123329 is 923321443001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100344123329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100344123295 and 100344123304.

It is not an unprimeable number, because it can be changed into a prime (100344123323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185999 + ... + 485060.

It is an arithmetic number, because the mean of its divisors is an integer number (25086235980).

Almost surely, 2^100344123329 is an apocalyptic number.

It is an amenable number.

100344123329 is a deficient number, since it is larger than the sum of its proper divisors (820591).

100344123329 is an equidigital number, since it uses as much as digits as its factorization.

100344123329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820590.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 100344123329 in words is "one hundred billion, three hundred forty-four million, one hundred twenty-three thousand, three hundred twenty-nine".