2100023003 has 4 divisors (see below), whose sum is σ = 2261563248. Its totient is φ = 1938482760.

The previous prime is 2100022999. The next prime is 2100023021. The reversal of 2100023003 is 3003200012.

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 2100023003 - 2² = 2100022999 is a prime.

It is a super-2 number, since 2×2100023003² = 8820193226258276018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100023033) 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, 80770103 + ... + 80770128.

It is an arithmetic number, because the mean of its divisors is an integer number (565390812).

Almost surely, 2^2100023003 is an apocalyptic number.

2100023003 is a deficient number, since it is larger than the sum of its proper divisors (161540245).

2100023003 is a wasteful number, since it uses less digits than its factorization.

2100023003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161540244.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2100023003 is about 45826.0079321776. The cubic root of 2100023003 is about 1280.5838407105.

Adding to 2100023003 its reverse (3003200012), we get a palindrome (5103223015).

The spelling of 2100023003 in words is "two billion, one hundred million, twenty-three thousand, three".