100343023003 has 4 divisors (see below), whose sum is σ = 105624234760. Its totient is φ = 95061811248.

The previous prime is 100343022973. The next prime is 100343023009. The reversal of 100343023003 is 300320343001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300320343001 = 7 ⋅42902906143.

It is a cyclic number.

It is not a de Polignac number, because 100343023003 - 2⁹ = 100343022491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 5281211737 = 100343023003 / (1 + 0 + 0 + 3 + 4 + 3 + 0 + 2 + 3 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100343023009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2640605850 + ... + 2640605887.

It is an arithmetic number, because the mean of its divisors is an integer number (26406058690).

Almost surely, 2^100343023003 is an apocalyptic number.

100343023003 is a deficient number, since it is larger than the sum of its proper divisors (5281211757).

100343023003 is an equidigital number, since it uses as much as digits as its factorization.

100343023003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5281211756.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 100343023003 its reverse (300320343001), we get a palindrome (400663366004).

The spelling of 100343023003 in words is "one hundred billion, three hundred forty-three million, twenty-three thousand, three".