100001123003 has 4 divisors (see below), whose sum is σ = 100028219928. Its totient is φ = 99974026080.

The previous prime is 100001122993. The next prime is 100001123009. The reversal of 100001123003 is 300321100001.

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 100001123003 - 2²⁸ = 99732687547 is a prime.

It is a super-2 number, since 2×100001123003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100001123009) 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, 13542926 + ... + 13550307.

It is an arithmetic number, because the mean of its divisors is an integer number (25007054982).

Almost surely, 2^100001123003 is an apocalyptic number.

100001123003 is a deficient number, since it is larger than the sum of its proper divisors (27096925).

100001123003 is an equidigital number, since it uses as much as digits as its factorization.

100001123003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27096924.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 100001123003 its reverse (300321100001), we get a palindrome (400322223004).

The spelling of 100001123003 in words is "one hundred billion, one million, one hundred twenty-three thousand, three".