2101124023 has 4 divisors (see below), whose sum is σ = 2103431328. Its totient is φ = 2098816720.

The previous prime is 2101124009. The next prime is 2101124041. The reversal of 2101124023 is 3204211012.

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 2101124023 - 2⁹ = 2101123511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101123988 and 2101124006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101124323) 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, 1152286 + ... + 1154107.

It is an arithmetic number, because the mean of its divisors is an integer number (525857832).

Almost surely, 2^2101124023 is an apocalyptic number.

2101124023 is a deficient number, since it is larger than the sum of its proper divisors (2307305).

2101124023 is an equidigital number, since it uses as much as digits as its factorization.

2101124023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307304.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2101124023 is about 45838.0194052928. The cubic root of 2101124023 is about 1280.8076004952.

Adding to 2101124023 its reverse (3204211012), we get a palindrome (5305335035).

The spelling of 2101124023 in words is "two billion, one hundred one million, one hundred twenty-four thousand, twenty-three".